simpledb/docs/simpledb.drawio.svg

<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="2231px" height="2802px" viewBox="-0.5 -0.5 2231 2802" content="&lt;mxfile&gt;&lt;diagram id=&quot;m1zhW0SP5hbGm27g0Uuc&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;" style="background-color: rgb(77, 77, 77);">
    <defs>
        <linearGradient x1="0%" y1="0%" x2="0%" y2="100%" id="mx-gradient-d5e8d4-1-97d077-1-s-0">
            <stop offset="0%" style="stop-color: rgb(213, 232, 212); stop-opacity: 1;"/>
            <stop offset="100%" style="stop-color: rgb(151, 208, 119); stop-opacity: 1;"/>
        </linearGradient>
    </defs>
    <g>
        <rect x="1000" y="340" width="1140" height="210" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 1138px; height: 1px; padding-top: 347px; margin-left: 1001px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
                                server
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1570" y="359" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    server
                </text>
            </switch>
        </g>
        <rect x="1000" y="0" width="1140" height="210" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 1138px; height: 1px; padding-top: 7px; margin-left: 1001px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
                                JDBC client
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1570" y="19" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    JDBC client
                </text>
            </switch>
        </g>
        <rect x="440" y="830" width="240" height="90" rx="13.5" ry="13.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="all"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 238px; height: 1px; padding-top: 837px; margin-left: 441px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
                                Planner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="560" y="849" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Planner
                </text>
            </switch>
        </g>
        <rect x="750" y="2270" width="180" height="140" rx="21" ry="21" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 178px; height: 1px; padding-top: 2277px; margin-left: 751px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Buffer
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="840" y="2289" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Buffer
                </text>
            </switch>
        </g>
        <rect x="760" y="2300" width="70" height="40" rx="6" ry="6" fill="#fad7ac" stroke="#b46504" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 2320px; margin-left: 761px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BlockId
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="795" y="2324" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BlockId
                </text>
            </switch>
        </g>
        <rect x="850" y="2350" width="70" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 2370px; margin-left: 851px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                FileMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="885" y="2374" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    FileMgr
                </text>
            </switch>
        </g>
        <rect x="850" y="2300" width="70" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 2320px; margin-left: 851px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                LogMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="885" y="2324" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    LogMgr
                </text>
            </switch>
        </g>
        <rect x="760" y="2350" width="70" height="40" rx="6" ry="6" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 2370px; margin-left: 761px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Page
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="795" y="2374" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Page
                </text>
            </switch>
        </g>
        <rect x="1425" y="1730" width="275" height="220" rx="33" ry="33" fill="#d0cee2" stroke="#56517e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 273px; height: 1px; padding-top: 1737px; margin-left: 1426px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Transaction2
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1563" y="1749" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Transaction2
                </text>
            </switch>
        </g>
        <rect x="870" y="2070" width="490" height="170" rx="25.5" ry="25.5" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 488px; height: 1px; padding-top: 2077px; margin-left: 871px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BufferMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1115" y="2089" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BufferMgr
                </text>
            </switch>
        </g>
        <path d="M 735 1460 L 726.37 1460" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 721.12 1460 L 728.12 1456.5 L 726.37 1460 L 728.12 1463.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="735" y="1440" width="95" height="40" rx="6" ry="6" fill="#b1ddf0" stroke="#10739e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 93px; height: 1px; padding-top: 1460px; margin-left: 736px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Layout
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="783" y="1464" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Layout
                </text>
            </switch>
        </g>
        <path d="M 677.19 1440 L 680.87 1406.33" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.44 1401.11 L 684.16 1408.45 L 680.87 1406.33 L 677.2 1407.69 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="630" y="1440" width="90" height="40" rx="6" ry="6" fill="#b1ddf0" stroke="#10739e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1460px; margin-left: 631px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Schema
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="675" y="1464" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Schema
                </text>
            </switch>
        </g>
        <rect x="638.75" y="1360" width="90" height="40" rx="6" ry="6" fill="#b1ddf0" stroke="#10739e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1380px; margin-left: 640px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                FieldInfo
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="684" y="1384" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    FieldInfo
                </text>
            </switch>
        </g>
        <path d="M 450 1205 L 356.37 1205" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 351.12 1205 L 358.12 1201.5 L 356.37 1205 L 358.12 1208.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1207px; margin-left: 409px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                extends
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="409" y="1211" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    extends
                </text>
            </switch>
        </g>
        <rect x="450" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 451px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                UpdateScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="500" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    UpdateScan
                </text>
            </switch>
        </g>
        <rect x="260" y="1550" width="120" height="60" rx="9" ry="9" fill="#b1ddf0" stroke="#10739e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 1580px; margin-left: 261px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Constant
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="320" y="1584" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Constant
                </text>
            </switch>
        </g>
        <rect x="250" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="url(#mx-gradient-d5e8d4-1-97d077-1-s-0)" stroke="#82b366" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 251px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Scan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="300" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Scan
                </text>
            </switch>
        </g>
        <path d="M 650 1205 L 556.37 1205" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 551.12 1205 L 558.12 1201.5 L 556.37 1205 L 558.12 1208.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1206px; margin-left: 604px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                implement
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="604" y="1210" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    implement
                </text>
            </switch>
        </g>
        <path d="M 704.85 1220 L 774.07 1433.94" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 775.69 1438.94 L 770.2 1433.35 L 774.07 1433.94 L 776.86 1431.2 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1312px; margin-left: 736px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                init with
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="736" y="1315" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    init with
                </text>
            </switch>
        </g>
        <path d="M 711.29 1220 L 1098.67 1734.91" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1101.83 1739.11 L 1094.82 1735.62 L 1098.67 1734.91 L 1100.42 1731.41 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1439px; margin-left: 877px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                init with
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="877" y="1442" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    init with
                </text>
            </switch>
        </g>
        <path d="M 707.16 1220 L 854.76 1529.25" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 857.02 1533.99 L 850.84 1529.18 L 854.76 1529.25 L 857.16 1526.17 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1378px; margin-left: 782px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                manage current record
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="782" y="1381" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    manage current record
                </text>
            </switch>
        </g>
        <path d="M 692.97 1220 L 442.7 1754.23" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 440.47 1758.99 L 440.27 1751.16 L 442.7 1754.23 L 446.61 1754.13 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1490px; margin-left: 566px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                move the current block
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="566" y="1494" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    move the current block
                </text>
            </switch>
        </g>
        <rect x="650" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 651px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                TableScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="700" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    TableScan
                </text>
            </switch>
        </g>
        <ellipse cx="1115" cy="2160" rx="220" ry="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 438px; height: 1px; padding-top: 2107px; margin-left: 896px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Buffer Pool
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1115" y="2119" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Buffer Pool
                </text>
            </switch>
        </g>
        <rect x="1195" y="2157.5" width="80" height="35" rx="5.25" ry="5.25" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 78px; height: 1px; padding-top: 2175px; margin-left: 1196px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Buffer
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1235" y="2179" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Buffer
                </text>
            </switch>
        </g>
        <path d="M 1105 2480 L 1056.35 2723.62" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1055.32 2728.76 L 1053.26 2721.21 L 1056.35 2723.62 L 1060.12 2722.58 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 2617px; margin-left: 1078px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                write
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1078" y="2620" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    write
                </text>
            </switch>
        </g>
        <rect x="1075" y="2420" width="120" height="60" rx="9" ry="9" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 2450px; margin-left: 1076px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                FileMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1135" y="2454" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    FileMgr
                </text>
            </switch>
        </g>
        <path d="M 1296.87 2740 L 1296.87 2800 L 990 2800 L 990 2730 L 1253.03 2730 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1253.03 2730 C 1256.6 2732.34 1250.73 2734.75 1237.37 2736.43 L 1300 2740.5 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 308px; height: 1px; padding-top: 2737px; margin-left: 991px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                File
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1145" y="2749" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    File
                </text>
            </switch>
        </g>
        <path d="M 1197.7 2729.86 L 1165.83 2486.31" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1165.15 2481.11 L 1169.52 2487.6 L 1165.83 2486.31 L 1162.58 2488.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 2631px; margin-left: 1189px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                read
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1189" y="2635" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    read
                </text>
            </switch>
        </g>
        <path d="M 1527.5 2260 L 1200.53 2446.84" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1195.97 2449.45 L 1200.31 2442.93 L 1200.53 2446.84 L 1203.78 2449.01 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1520" y="2200" width="120" height="60" rx="9" ry="9" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 2230px; margin-left: 1521px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                LogMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1580" y="2234" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    LogMgr
                </text>
            </switch>
        </g>
        <path d="M 1455 1930 L 1242.85 2066.55" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1238.44 2069.39 L 1242.43 2062.66 L 1242.85 2066.55 L 1246.22 2068.55 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1455 1803.79 L 1366.14 1828.31" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1361.08 1829.7 L 1366.89 1824.47 L 1366.14 1828.31 L 1368.76 1831.22 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1455" y="1770" width="100" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1790px; margin-left: 1456px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ConcurMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1505" y="1794" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ConcurMgr
                </text>
            </switch>
        </g>
        <path d="M 1577.5 1850 L 1561.37 1850" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1556.12 1850 L 1563.12 1846.5 L 1561.37 1850 L 1563.12 1853.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1577.5 1870 L 1559.76 1885.77" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1555.84 1889.26 L 1558.74 1881.99 L 1559.76 1885.77 L 1563.39 1887.22 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1577.5" y="1830" width="100" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1850px; margin-left: 1579px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RecoveryMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1628" y="1854" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RecoveryMgr
                </text>
            </switch>
        </g>
        <path d="M 1577.5 1910 L 1561.37 1910" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1556.12 1910 L 1563.12 1906.5 L 1561.37 1910 L 1563.12 1913.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1577.5" y="1890" width="100" height="40" rx="6" ry="6" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1910px; margin-left: 1579px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BufferList
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1628" y="1914" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BufferList
                </text>
            </switch>
        </g>
        <rect x="1240" y="1800" width="120" height="60" rx="9" ry="9" fill="#fad7ac" stroke="#b46504" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 1830px; margin-left: 1241px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                LockTable
                                <br/>
                                static variable
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1300" y="1834" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    LockTable...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 2280px; margin-left: 565px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    Buffer
                                </h1>
                                <p>
                                    Store the relationship between BlockId and Page
                                </p>
                                <p>
                                    Also hold the info about the buffer is used or not (pins)
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="565" y="2292" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    Buffer...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 2430px; margin-left: 890px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    FileMgr
                                </h1>
                                <p>
                                    FileMgr read a block from file, write contents of a Page to file, and append a block to file
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="890" y="2442" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    FileMgr...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 2280px; margin-left: 1565px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    LogMgr
                                </h1>
                                <p>
                                    1. Call FileMgr to write operation logs to a log file
                                </p>
                                <p>
                                    2. Read log file for recovery
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1565" y="2292" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    LogMgr...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 1960px; margin-left: 1425px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    BufferList
                                </h1>
                                <p>
                                    Each transaction has BufferList to store their buffer
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1425" y="1972" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    BufferList...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 1860px; margin-left: 1215px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 160px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    LockTable
                                </h1>
                                <p>
                                    Global lock table for blocks. The table stores the information of slock/xlock for each BlockId
                                </p>
                                <p>
                                    <span>
                                        The LockTable is shared among all concurrency managers using static variable
                                    </span>
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1215" y="1872" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    LockTable...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 1960px; margin-left: 1615px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    RecoveryMgr
                                </h1>
                                <p>
                                    Manages recovery using LogMgr when system crashes
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1615" y="1972" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    RecoveryMgr...
                </text>
            </switch>
        </g>
        <path d="M 700 1070 L 700 1183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 700 1188.88 L 696.5 1181.88 L 700 1183.63 L 703.5 1181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1127px; margin-left: 700px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                open()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="700" y="1130" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    open()
                </text>
            </switch>
        </g>
        <path d="M 650 1055 L 556.37 1055" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 551.12 1055 L 558.12 1051.5 L 556.37 1055 L 558.12 1058.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1055px; margin-left: 601px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                implement
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="601" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    implement
                </text>
            </switch>
        </g>
        <rect x="650" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 651px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                TablePlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="700" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    TablePlan
                </text>
            </switch>
        </g>
        <rect x="450" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="url(#mx-gradient-d5e8d4-1-97d077-1-s-0)" stroke="#82b366" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 451px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Plan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="500" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Plan
                </text>
            </switch>
        </g>
        <path d="M 1110 852.03 L 942.08 782.44" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 937.23 780.43 L 945.04 779.87 L 942.08 782.44 L 942.36 786.34 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1110 861.76 L 961.65 821.66" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 956.58 820.29 L 964.25 818.74 L 961.65 821.66 L 962.42 825.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1110 871.49 L 966.32 853.36" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 961.11 852.71 L 968.49 850.11 L 966.32 853.36 L 967.62 857.06 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1110 881.22 L 966.37 883.8" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 961.12 883.9 L 968.05 880.27 L 966.37 883.8 L 968.18 887.27 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1110 890.95 L 966.29 914.25" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 961.1 915.09 L 967.45 910.52 L 966.29 914.25 L 968.57 917.43 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1110 900.68 L 955.06 948.13" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 950.04 949.67 L 955.71 944.28 L 955.06 948.13 L 957.76 950.97 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1325 880 L 1251.37 880" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1246.12 880 L 1253.12 876.5 L 1251.37 880 L 1253.12 883.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1325" y="865" width="100" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 880px; margin-left: 1326px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                SQL
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1375" y="884" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    SQL
                </text>
            </switch>
        </g>
        <path d="M 853.64 780 L 686.06 834.22" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.06 835.83 L 686.65 830.35 L 686.06 834.22 L 688.8 837.01 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="840" y="750" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 765px; margin-left: 841px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                QueryData
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="900" y="769" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    QueryData
                </text>
            </switch>
        </g>
        <path d="M 840 817.35 L 686.24 849.01" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.1 850.07 L 687.25 845.23 L 686.24 849.01 L 688.66 852.09 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="840" y="790" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 805px; margin-left: 841px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                InsertData
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="900" y="809" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    InsertData
                </text>
            </switch>
        </g>
        <path d="M 840 850.29 L 686.34 863.85" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.11 864.31 L 687.78 860.21 L 686.34 863.85 L 688.39 867.18 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="840" y="830" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 845px; margin-left: 841px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ModifyData
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="900" y="849" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ModifyData
                </text>
            </switch>
        </g>
        <path d="M 840 883.24 L 686.37 878.72" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.12 878.56 L 688.22 875.27 L 686.37 878.72 L 688.01 882.27 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="840" y="870" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 885px; margin-left: 841px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                CreateTableData
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="900" y="889" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    CreateTableData
                </text>
            </switch>
        </g>
        <path d="M 840 916.18 L 686.3 893.57" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.11 892.81 L 688.54 890.37 L 686.3 893.57 L 687.52 897.29 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="840" y="910" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 925px; margin-left: 841px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                CreateViewData
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="900" y="929" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    CreateViewData
                </text>
            </switch>
        </g>
        <path d="M 843.33 950 L 686.16 908.39" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 681.08 907.05 L 688.74 905.46 L 686.16 908.39 L 686.95 912.23 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="840" y="950" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 965px; margin-left: 841px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                CreateIndexData
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="900" y="969" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    CreateIndexData
                </text>
            </switch>
        </g>
        <path d="M 500 895 L 500 1033.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 500 1038.88 L 496.5 1031.88 L 500 1033.63 L 503.5 1031.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 961px; margin-left: 499px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                return
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="499" y="964" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    return
                </text>
            </switch>
        </g>
        <rect x="780" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 781px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                SelectScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="830" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    SelectScan
                </text>
            </switch>
        </g>
        <rect x="915" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 916px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ProjectScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="965" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ProjectScan
                </text>
            </switch>
        </g>
        <rect x="1050" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 1051px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ProductScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1100" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ProductScan
                </text>
            </switch>
        </g>
        <path d="M 830 1070 L 830 1183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 830 1188.88 L 826.5 1181.88 L 830 1183.63 L 833.5 1181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1124px; margin-left: 831px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                open()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="831" y="1128" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    open()
                </text>
            </switch>
        </g>
        <rect x="780" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 781px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                SelectPlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="830" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    SelectPlan
                </text>
            </switch>
        </g>
        <path d="M 965 1070 L 965 1183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 965 1188.88 L 961.5 1181.88 L 965 1183.63 L 968.5 1181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1122px; margin-left: 968px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                open()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="968" y="1125" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    open()
                </text>
            </switch>
        </g>
        <rect x="915" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 916px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ProjectPlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="965" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ProjectPlan
                </text>
            </switch>
        </g>
        <path d="M 1100 1070 L 1100 1183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1100 1188.88 L 1096.5 1181.88 L 1100 1183.63 L 1103.5 1181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1125px; margin-left: 1101px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                open()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1101" y="1128" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    open()
                </text>
            </switch>
        </g>
        <rect x="1050" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 1051px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ProductPlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1100" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ProductPlan
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 252px; height: 1px; padding-top: 990px; margin-left: 175px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 150px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    Plan
                                </h1>
                                <p>
                                    Verfiy the query and calculate the estimated cost, and generate the corresponding scan
                                </p>
                                <p>
                                    Plan doesn't read actual data but read metadata
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="175" y="1002" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    Plan...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 252px; height: 1px; padding-top: 1210px; margin-left: 105px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 120px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    Scan
                                </h1>
                                <p>
                                    Interface to read data.
                                </p>
                                <p>
                                    Each implementation read (and write) data from (to) corresponding table
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="105" y="1222" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    Scan...
                </text>
            </switch>
        </g>
        <path d="M 1165.2 1630 L 1144.35 1735.07" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1143.33 1740.22 L 1141.26 1732.68 L 1144.35 1735.07 L 1148.12 1734.04 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1689px; margin-left: 1155px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                init with
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1155" y="1693" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    init with
                </text>
            </switch>
        </g>
        <path d="M 1150 1420 L 755.7 1222.85" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 751 1220.5 L 758.83 1220.5 L 755.7 1222.85 L 755.7 1226.76 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 252px; height: 1px; padding-top: 1290px; margin-left: 1105px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 110px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    MetadataMgr
                                </h1>
                                <p>
                                    Metadata manager has four managers.
                                </p>
                                <p>
                                    <br/>
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1105" y="1302" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    MetadataMgr...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 142px; height: 1px; padding-top: 1410px; margin-left: 1295px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 150px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    TableMgr
                                </h1>
                                <p>
                                    Store the information of tables and fields in "tblcat" and "fldcat" catalog tables by using TableScan.
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1295" y="1422" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    TableMgr...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 162px; height: 1px; padding-top: 1270px; margin-left: 465px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 120px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    TableScan
                                </h1>
                                <p>
                                    TableScan specify BlockId by &lt;tablename&gt;.tbl file and the corresponding RecordPage
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="465" y="1282" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    TableScan...
                </text>
            </switch>
        </g>
        <rect x="1455" y="1890" width="100" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1910px; margin-left: 1456px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BufferMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1505" y="1914" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BufferMgr
                </text>
            </switch>
        </g>
        <path d="M 1509.29 1870 L 1578.67 2193.77" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1579.77 2198.91 L 1574.88 2192.8 L 1578.67 2193.77 L 1581.72 2191.33 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1455" y="1830" width="100" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1850px; margin-left: 1456px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                LogMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1505" y="1854" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    LogMgr
                </text>
            </switch>
        </g>
        <path d="M 1131.07 1870 L 1515.14 2195.88" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1519.15 2199.28 L 1511.55 2197.42 L 1515.14 2195.88 L 1516.07 2192.08 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1577.5" y="1770" width="100" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1790px; margin-left: 1579px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                FileMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1628" y="1794" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    FileMgr
                </text>
            </switch>
        </g>
        <rect x="1075" y="2157.5" width="80" height="35" rx="5.25" ry="5.25" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 78px; height: 1px; padding-top: 2175px; margin-left: 1076px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Buffer
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1115" y="2179" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Buffer
                </text>
            </switch>
        </g>
        <path d="M 987.11 2192.5 L 933.78 2264.87" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 930.66 2269.1 L 932 2261.39 L 933.78 2264.87 L 937.63 2265.54 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="960" y="2157.5" width="80" height="35" rx="5.25" ry="5.25" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 78px; height: 1px; padding-top: 2175px; margin-left: 961px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Buffer
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1000" y="2179" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Buffer
                </text>
            </switch>
        </g>
        <rect x="380" y="1760" width="120" height="60" rx="9" ry="9" fill="#fad7ac" stroke="#b46504" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 1790px; margin-left: 381px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BlockId
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="440" y="1794" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BlockId
                </text>
            </switch>
        </g>
        <path d="M 767.5 1565 L 778.74 1486.3" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 779.48 1481.11 L 781.96 1488.53 L 778.74 1486.3 L 775.03 1487.54 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="620" y="2580" width="140" height="80" rx="12" ry="12" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 2587px; margin-left: 621px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Page
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="690" y="2599" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Page
                </text>
            </switch>
        </g>
        <rect x="638.75" y="2610" width="102.5" height="40" rx="6" ry="6" fill="#b1ddf0" stroke="#10739e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 101px; height: 1px; padding-top: 2630px; margin-left: 640px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ByteBuffer
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="690" y="2634" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ByteBuffer
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 142px; height: 1px; padding-top: 1740px; margin-left: 215px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 110px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    BlockId
                                </h1>
                                <p>
                                    hold the information where to store the data:  filename and blknum
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="215" y="1752" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    BlockId...
                </text>
            </switch>
        </g>
        <path d="M 785 2390 L 692.85 2574.3" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 690.5 2579 L 690.5 2571.17 L 692.85 2574.3 L 696.76 2574.3 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 779.6 2300 L 413.89 1825.05" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 410.68 1820.89 L 417.73 1824.3 L 413.89 1825.05 L 412.18 1828.57 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 920 2384.74 L 1069.13 2447.53" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1073.97 2449.57 L 1066.16 2450.08 L 1069.13 2447.53 L 1068.88 2443.62 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 920 2315.04 L 1513.7 2230.89" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1518.89 2230.16 L 1512.45 2234.6 L 1513.7 2230.89 L 1511.47 2227.67 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 644.38 1595 L 504.19 1755.21" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 500.74 1759.16 L 502.71 1751.59 L 504.19 1755.21 L 507.98 1756.2 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 883.52 1595 L 938.93 1732.99" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 940.88 1737.86 L 935.03 1732.67 L 938.93 1732.99 L 941.52 1730.06 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 2480px; margin-left: 495px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 100px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    Page
                                </h1>
                                <p>
                                    Wrap ByteBuffer to hold contents in memory
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="495" y="2492" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    Page...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 275px; height: 1px; padding-top: 1640px; margin-left: 605px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    RecordPage
                                </h1>
                                <p>
                                    The target block, which is moved by next() or beforeFirst() of scan.
                                </p>
                                <p>
                                    There is a corresponding buffer to this page to get and set the value via tx.
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="605" y="1652" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    RecordPage...
                </text>
            </switch>
        </g>
        <rect x="870" y="1740" width="310" height="220" rx="33" ry="33" fill="#d0cee2" stroke="#56517e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 308px; height: 1px; padding-top: 1747px; margin-left: 871px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Transaction1
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1025" y="1759" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Transaction1
                </text>
            </switch>
        </g>
        <rect x="1060" y="1770" width="95" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 93px; height: 1px; padding-top: 1790px; margin-left: 1061px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ConcurMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1107" y="1794" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ConcurMgr
                </text>
            </switch>
        </g>
        <rect x="920" y="1830" width="90" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1850px; margin-left: 921px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RecoveryMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="965" y="1854" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RecoveryMgr
                </text>
            </switch>
        </g>
        <rect x="920" y="1890" width="90" height="40" rx="6" ry="6" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1910px; margin-left: 921px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BufferList
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="965" y="1914" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BufferList
                </text>
            </switch>
        </g>
        <rect x="1060" y="1890" width="95" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 93px; height: 1px; padding-top: 1910px; margin-left: 1061px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BufferMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1107" y="1914" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BufferMgr
                </text>
            </switch>
        </g>
        <rect x="1060" y="1830" width="95" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 93px; height: 1px; padding-top: 1850px; margin-left: 1061px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                LogMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1107" y="1854" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    LogMgr
                </text>
            </switch>
        </g>
        <rect x="920" y="1770" width="90" height="40" rx="6" ry="6" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1790px; margin-left: 921px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                FileMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="965" y="1794" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    FileMgr
                </text>
            </switch>
        </g>
        <path d="M 1010 1868.95 L 1054.13 1887.53" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1058.97 1889.57 L 1051.16 1890.08 L 1054.13 1887.53 L 1053.88 1883.62 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1010 1910 L 1053.63 1910" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1058.88 1910 L 1051.88 1913.5 L 1053.63 1910 L 1051.88 1906.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1010 1850 L 1053.63 1850" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1058.88 1850 L 1051.88 1853.5 L 1053.63 1850 L 1051.88 1846.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 1680px; margin-left: 1245px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 130px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    ConcurMgr
                                </h1>
                                <p>
                                    Guarantee that one block won't be updated by multiple transactions concurrently by utilizing LockTable.
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1245" y="1692" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    ConcurMgr...
                </text>
            </switch>
        </g>
        <path d="M 1107.5 1930 L 1114.66 2063.64" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1114.94 2068.88 L 1111.07 2062.08 L 1114.66 2063.64 L 1118.06 2061.71 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 182px; height: 1px; padding-top: 2050px; margin-left: 685px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 190px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    BufferMgr
                                </h1>
                                <p>
                                    Manage allocate a BlockId and Page to an available Buffer from the buffer pool. If there's no available buffer to allocate, need to wait.
                                </p>
                                <p>
                                    pin and unpin a buffer when starting and finishing using it.
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="685" y="2062" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    BufferMgr...
                </text>
            </switch>
        </g>
        <rect x="450" y="865" width="100" height="30" rx="4.5" ry="4.5" fill="url(#mx-gradient-d5e8d4-1-97d077-1-s-0)" stroke="#82b366" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 880px; margin-left: 451px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                QueryPlanner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="500" y="884" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    QueryPlanner
                </text>
            </switch>
        </g>
        <rect x="570" y="865" width="100" height="30" rx="4.5" ry="4.5" fill="url(#mx-gradient-d5e8d4-1-97d077-1-s-0)" stroke="#82b366" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 880px; margin-left: 571px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                UpdatePlanner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="620" y="884" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    UpdatePlanner
                </text>
            </switch>
        </g>
        <path d="M 1045.52 370 L 983.49 275.33" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 980.61 270.94 L 987.38 274.87 L 983.49 275.33 L 981.52 278.71 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 320px; margin-left: 1013px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                bind stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1013" y="323" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    bind stub
                </text>
            </switch>
        </g>
        <path d="M 1140 424.29 L 1213.7 434.81" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1218.89 435.56 L 1211.47 438.03 L 1213.7 434.81 L 1212.46 431.1 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 430px; margin-left: 1174px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                connect()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1174" y="434" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    connect()
                </text>
            </switch>
        </g>
        <rect x="1010" y="370" width="130" height="90" rx="13.5" ry="13.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 377px; margin-left: 1011px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveDriverImpl
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1075" y="389" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveDriverImpl
                </text>
            </switch>
        </g>
        <path d="M 1027.5 425 L 916.37 425" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 911.12 425 L 918.12 421.5 L 916.37 425 L 918.12 428.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1027.5" y="410" width="95" height="30" rx="4.5" ry="4.5" fill="#ffcccc" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 93px; height: 1px; padding-top: 425px; margin-left: 1028px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                SimpleDB
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1075" y="429" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    SimpleDB
                </text>
            </switch>
        </g>
        <path d="M 980 210 L 1016.14 162.57" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1019.32 158.39 L 1017.86 166.08 L 1016.14 162.57 L 1012.3 161.84 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 187px; margin-left: 1001px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1001" y="190" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    stub
                </text>
            </switch>
        </g>
        <rect x="850" y="210" width="130" height="60" rx="9" ry="9" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 240px; margin-left: 851px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RMI Registry
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="915" y="244" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RMI Registry
                </text>
            </switch>
        </g>
        <path d="M 1075 157.5 L 1075 363.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1075 368.88 L 1071.5 361.88 L 1075 363.63 L 1078.5 361.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 264px; margin-left: 1075px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                invoke
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1075" y="267" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    invoke
                </text>
            </switch>
        </g>
        <rect x="1220" y="370" width="130" height="150" rx="19.5" ry="19.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 377px; margin-left: 1221px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveCnnectionImpl
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="389" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveCnnectionImpl
                </text>
            </switch>
        </g>
        <path d="M 1330 453.33 L 1483.64 447.64" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1488.88 447.45 L 1482.02 451.21 L 1483.64 447.64 L 1481.76 444.21 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 451px; margin-left: 1405px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                createStatement()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1405" y="454" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    createStatement()
                </text>
            </switch>
        </g>
        <rect x="1240" y="440" width="90" height="30" rx="4.5" ry="4.5" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 455px; margin-left: 1241px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Planner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="459" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Planner
                </text>
            </switch>
        </g>
        <rect x="1240" y="480" width="90" height="30" rx="4.5" ry="4.5" fill="#e1d5e7" stroke="#9673a6" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 495px; margin-left: 1241px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Transaction
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="499" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Transaction
                </text>
            </switch>
        </g>
        <rect x="1240" y="400" width="90" height="30" rx="4.5" ry="4.5" fill="#ffcccc" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 415px; margin-left: 1241px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                SimpleDB
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="419" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    SimpleDB
                </text>
            </switch>
        </g>
        <path d="M 1630 444.63 L 1723.63 444.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1728.88 444.63 L 1721.88 448.13 L 1723.63 444.63 L 1721.88 441.13 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 445px; margin-left: 1668px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                executeQuery()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1668" y="448" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    executeQuery()
                </text>
            </switch>
        </g>
        <rect x="1490" y="370" width="130" height="150" rx="19.5" ry="19.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 377px; margin-left: 1491px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveCnnectionImpl
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1555" y="389" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveCnnectionImpl
                </text>
            </switch>
        </g>
        <rect x="1510" y="430" width="90" height="30" rx="4.5" ry="4.5" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 445px; margin-left: 1511px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Planner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1555" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Planner
                </text>
            </switch>
        </g>
        <rect x="1010" y="90" width="130" height="90" rx="13.5" ry="13.5" fill="#f9f7ed" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 97px; margin-left: 1011px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                NetworkDriver
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1075" y="109" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    NetworkDriver
                </text>
            </switch>
        </g>
        <rect x="1020" y="112.5" width="110" height="45" rx="6.75" ry="6.75" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 135px; margin-left: 1021px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveDriver
                                <br/>
                                stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1075" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveDriver...
                </text>
            </switch>
        </g>
        <rect x="1220" y="90" width="130" height="90" rx="13.5" ry="13.5" fill="#f9f7ed" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 97px; margin-left: 1221px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                NetworkConnection
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="109" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    NetworkConnection
                </text>
            </switch>
        </g>
        <rect x="1230" y="112.5" width="110" height="45" rx="6.75" ry="6.75" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 135px; margin-left: 1231px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveConnection
                                <br/>
                                stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveConnection...
                </text>
            </switch>
        </g>
        <path d="M 1285 157.5 L 1285 363.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1285 368.88 L 1281.5 361.88 L 1285 363.63 L 1288.5 361.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 264px; margin-left: 1285px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                invoke
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1285" y="267" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    invoke
                </text>
            </switch>
        </g>
        <rect x="1490" y="90" width="130" height="90" rx="13.5" ry="13.5" fill="#f9f7ed" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 97px; margin-left: 1491px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                NetworkConnection
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1555" y="109" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    NetworkConnection
                </text>
            </switch>
        </g>
        <rect x="1500" y="112.5" width="110" height="45" rx="6.75" ry="6.75" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 135px; margin-left: 1501px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveStatement
                                <br/>
                                stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1555" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveStatement...
                </text>
            </switch>
        </g>
        <path d="M 1555 157.5 L 1555 363.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1555 368.88 L 1551.5 361.88 L 1555 363.63 L 1558.5 361.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 255px; margin-left: 1555px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                invoke
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1555" y="258" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    invoke
                </text>
            </switch>
        </g>
        <path d="M 1850 445 L 1963.63 445" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1968.88 445 L 1961.88 448.5 L 1963.63 445 L 1961.88 441.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1720" y="370" width="130" height="150" rx="19.5" ry="19.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 377px; margin-left: 1721px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveResultSetImpl
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1785" y="389" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveResultSetImpl
                </text>
            </switch>
        </g>
        <rect x="1740" y="420" width="90" height="30" rx="4.5" ry="4.5" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 435px; margin-left: 1741px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Scan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1785" y="439" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Scan
                </text>
            </switch>
        </g>
        <rect x="1970" y="370" width="130" height="150" rx="19.5" ry="19.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 377px; margin-left: 1971px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveMetaDataImpl
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="2035" y="389" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveMetaDataImpl
                </text>
            </switch>
        </g>
        <rect x="1990" y="440" width="90" height="30" rx="4.5" ry="4.5" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 455px; margin-left: 1991px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Schema
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="2035" y="459" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Schema
                </text>
            </switch>
        </g>
        <rect x="1740" y="460" width="90" height="30" rx="4.5" ry="4.5" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 475px; margin-left: 1741px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Schema
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1785" y="479" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Schema
                </text>
            </switch>
        </g>
        <rect x="1720" y="90" width="130" height="90" rx="13.5" ry="13.5" fill="#f9f7ed" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 97px; margin-left: 1721px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                NetworkConnection
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1785" y="109" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    NetworkConnection
                </text>
            </switch>
        </g>
        <rect x="1730" y="112.5" width="110" height="45" rx="6.75" ry="6.75" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 135px; margin-left: 1731px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveStatement
                                <br/>
                                stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1785" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveStatement...
                </text>
            </switch>
        </g>
        <rect x="1970" y="90" width="130" height="90" rx="13.5" ry="13.5" fill="#f9f7ed" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 97px; margin-left: 1971px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                NetworkConnection
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="2035" y="109" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    NetworkConnection
                </text>
            </switch>
        </g>
        <rect x="1980" y="112.5" width="110" height="45" rx="6.75" ry="6.75" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 135px; margin-left: 1981px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RemoveStatement
                                <br/>
                                stub
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="2035" y="139" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RemoveStatement...
                </text>
            </switch>
        </g>
        <path d="M 1785 157.5 L 1785 363.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1785 368.88 L 1781.5 361.88 L 1785 363.63 L 1788.5 361.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 265px; margin-left: 1785px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                invoke
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1785" y="268" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    invoke
                </text>
            </switch>
        </g>
        <path d="M 2035 157.5 L 2035 363.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 2035 368.88 L 2031.5 361.88 L 2035 363.63 L 2038.5 361.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 267px; margin-left: 2037px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                invoke
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="2037" y="271" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    invoke
                </text>
            </switch>
        </g>
        <path d="M 1130 135 L 1213.63 135" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1218.88 135 L 1211.88 138.5 L 1213.63 135 L 1211.88 131.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1340 135 L 1483.63 135" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1488.88 135 L 1481.88 138.5 L 1483.63 135 L 1481.88 131.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1610 135 L 1713.63 135" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1718.88 135 L 1711.88 138.5 L 1713.63 135 L 1711.88 131.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1840 135 L 1963.63 135" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1968.88 135 L 1961.88 138.5 L 1963.63 135 L 1961.88 131.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 272px; height: 1px; padding-top: 590px; margin-left: 1035px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 160px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    RemoteConnectionImpl
                                </h1>
                                <p>
                                    1. createStatement() initializes RemoteStatementImpl
                                </p>
                                <p>
                                    2. close() calls tx.commit()
                                </p>
                                <p>
                                    3. also has commit(), rollback() funcs
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1035" y="602" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    RemoteConnectionImpl...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 272px; height: 1px; padding-top: 590px; margin-left: 1355px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 160px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    RemoteStatementImpl
                                </h1>
                                <p>
                                    1. executeQuery() returns RemoteResultSetImpl()
                                </p>
                                <p>
                                    2. executeUpdate() executes planner.executeUpdate(), commits, and returns the number of modifieid records. (call rconn.commit() for commiting)
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1355" y="602" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    RemoteStatementImpl...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 272px; height: 1px; padding-top: 590px; margin-left: 1665px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 160px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    RemoteResultSetImpl
                                </h1>
                                <p>
                                    <span>
                                        1. To read data, it uses next(), getInt(), getString(), and close() functions, which internally uses scan.next(), scan.getInt(), scan.getString()
                                    </span>
                                </p>
                                <p>
                                    <span>
                                        2. getMetaData() returns RemoteMetaDataImpl()
                                    </span>
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1665" y="602" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    RemoteResultSetImpl...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 272px; height: 1px; padding-top: 590px; margin-left: 1955px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 160px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    RemoteMetaDataImpl
                                </h1>
                                <p>
                                    1. provide getColumnCount(), getColumnName, getColumnType(), and getColumnDisplaySize()
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1955" y="602" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    RemoteMetaDataImpl...
                </text>
            </switch>
        </g>
        <rect x="1110" y="840" width="135" height="80" rx="12" ry="12" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 133px; height: 1px; padding-top: 847px; margin-left: 1111px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Parser
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1177" y="859" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Parser
                </text>
            </switch>
        </g>
        <rect x="1130" y="880" width="100" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 895px; margin-left: 1131px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Lexer
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1180" y="899" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Lexer
                </text>
            </switch>
        </g>
        <path d="M 1155 1804.34 L 1233.9 1828.16" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1238.93 1829.68 L 1231.22 1831 L 1233.9 1828.16 L 1233.24 1824.3 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1120" y="1380" width="140" height="250" rx="21" ry="21" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 1387px; margin-left: 1121px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                MetadataMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1190" y="1399" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    MetadataMgr
                </text>
            </switch>
        </g>
        <rect x="1145" y="1420" width="90" height="40" rx="6" ry="6" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1440px; margin-left: 1146px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                TableMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1190" y="1444" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    TableMgr
                </text>
            </switch>
        </g>
        <rect x="1145" y="1520" width="90" height="40" rx="6" ry="6" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1540px; margin-left: 1146px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ViewMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1190" y="1544" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ViewMgr
                </text>
            </switch>
        </g>
        <rect x="1145" y="1570" width="90" height="40" rx="6" ry="6" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1590px; margin-left: 1146px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1190" y="1594" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexMgr
                </text>
            </switch>
        </g>
        <rect x="1145" y="1470" width="90" height="40" rx="6" ry="6" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 1490px; margin-left: 1146px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                StatMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1190" y="1494" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    StatMgr
                </text>
            </switch>
        </g>
        <rect x="580" y="1535" width="370" height="90" rx="13.5" ry="13.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 368px; height: 1px; padding-top: 1542px; margin-left: 581px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                RecordPage
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="765" y="1554" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    RecordPage
                </text>
            </switch>
        </g>
        <rect x="615" y="1565" width="85" height="30" rx="4.5" ry="4.5" fill="#fad7ac" stroke="#b46504" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 83px; height: 1px; padding-top: 1580px; margin-left: 616px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BlockId
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="658" y="1584" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BlockId
                </text>
            </switch>
        </g>
        <rect x="835" y="1565" width="85" height="30" rx="4.5" ry="4.5" fill="#d0cee2" stroke="#56517e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 83px; height: 1px; padding-top: 1580px; margin-left: 836px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Transaction
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="877" y="1584" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Transaction
                </text>
            </switch>
        </g>
        <rect x="725" y="1565" width="85" height="30" rx="4.5" ry="4.5" fill="#b1ddf0" stroke="#10739e" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 83px; height: 1px; padding-top: 1580px; margin-left: 726px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Layout
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="768" y="1584" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Layout
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 252px; height: 1px; padding-top: 1790px; margin-left: 585px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 230px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    Transaction
                                </h1>
                                <p>
                                    Initialized with BufferMgr, LogMgr, and FileMgr
                                </p>
                                <p>
                                    1. Three main methods: commit(), rollback(), recover()
                                </p>
                                <p>
                                    2. Get and set vals for block: setInt(), setString(), getInt(), getString()
                                </p>
                                <p>
                                    3. Buffer: pin() &amp; unpin() with BufferMgr
                                </p>
                                <p>
                                    4. LockTable:  slock and xlock &amp; release with concurMgr
                                </p>
                                <p>
                                    <br/>
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="585" y="1802" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    Transaction...
                </text>
            </switch>
        </g>
        <path d="M 1528.75 1070 L 1507.23 1077.82" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1502.3 1079.62 L 1507.68 1073.94 L 1507.23 1077.82 L 1510.08 1080.52 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1520" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 1521px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                MaterializePlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1570" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    MaterializePlan
                </text>
            </switch>
        </g>
        <path d="M 1235 1590 L 1293.63 1590" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1298.88 1590 L 1291.88 1593.5 L 1293.63 1590 L 1291.88 1586.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1300" y="1575" width="70" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 1590px; margin-left: 1301px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexInfo
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1335" y="1594" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexInfo
                </text>
            </switch>
        </g>
        <rect x="1800" y="1360" width="120" height="60" rx="9" ry="9" fill="url(#mx-gradient-d5e8d4-1-97d077-1-s-0)" stroke="#82b366" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 1390px; margin-left: 1801px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Index
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1860" y="1394" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Index
                </text>
            </switch>
        </g>
        <path d="M 1650 1429.15 L 1793.74 1402.35" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1798.9 1401.39 L 1792.66 1406.12 L 1793.74 1402.35 L 1791.38 1399.23 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1415px; margin-left: 1725px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                implement
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1725" y="1418" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    implement
                </text>
            </switch>
        </g>
        <rect x="1480" y="1340" width="170" height="210" rx="25.5" ry="25.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 168px; height: 1px; padding-top: 1347px; margin-left: 1481px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BTreeIndex
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1565" y="1359" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BTreeIndex
                </text>
            </switch>
        </g>
        <path d="M 1595.19 1410 L 1575.79 1439.67" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1572.92 1444.06 L 1573.82 1436.29 L 1575.79 1439.67 L 1579.68 1440.12 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1570" y="1380" width="70" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 1395px; margin-left: 1571px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BTreeLeaf
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1605" y="1399" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BTreeLeaf
                </text>
            </switch>
        </g>
        <path d="M 1533.65 1410 L 1550.66 1439.48" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1553.29 1444.03 L 1546.76 1439.72 L 1550.66 1439.48 L 1552.82 1436.22 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1490" y="1380" width="70" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 1395px; margin-left: 1491px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BTreeDir
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1525" y="1399" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BTreeDir
                </text>
            </switch>
        </g>
        <rect x="1527.5" y="1445" width="70" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 1460px; margin-left: 1529px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BTPage
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1563" y="1464" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BTPage
                </text>
            </switch>
        </g>
        <path d="M 1538.12 1535 L 1168.82 1741.08" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1164.24 1743.64 L 1168.64 1737.17 L 1168.82 1741.08 L 1172.05 1743.28 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1530" y="1505" width="70" height="30" rx="4.5" ry="4.5" fill="#f5f5f5" stroke="#666666" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 1520px; margin-left: 1531px;">
                        <div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Transaction
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1565" y="1524" fill="#333333" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Transaction
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 242px; height: 1px; padding-top: 1525px; margin-left: 1665px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 150px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    BTreeIndex
                                </h1>
                                <p>
                                    BTreeIndex implements Index interface.
                                </p>
                                <p>
                                    BTreeIndex creates two files to store BTreeDir and BtreeLeaf, which are used to search for the block and slot of the target records with the specified search key.
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1665" y="1537" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    BTreeIndex...
                </text>
            </switch>
        </g>
        <path d="M 1385 1070 L 1385 1183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1385 1188.88 L 1381.5 1181.88 L 1385 1183.63 L 1388.5 1181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1127px; margin-left: 1384px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                open()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1384" y="1130" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    open()
                </text>
            </switch>
        </g>
        <rect x="1335" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 1336px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexJoinPlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1385" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexJoinPlan
                </text>
            </switch>
        </g>
        <path d="M 1250 1070 L 1250 1183.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1250 1188.88 L 1246.5 1181.88 L 1250 1183.63 L 1253.5 1181.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1130px; margin-left: 1250px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                open()
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1250" y="1133" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    open()
                </text>
            </switch>
        </g>
        <rect x="1200" y="1040" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1055px; margin-left: 1201px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexSelectPlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1250" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexSelectPlan
                </text>
            </switch>
        </g>
        <rect x="1200" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 1201px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexSelectScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1250" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexSelectScan
                </text>
            </switch>
        </g>
        <rect x="1335" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 1336px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexJoinScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1385" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexJoinScan
                </text>
            </switch>
        </g>
        <path d="M 518.46 700 L 608.41 859.45" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 610.99 864.03 L 604.5 859.65 L 608.41 859.45 L 610.6 856.21 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 782px; margin-left: 565px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                implements
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="565" y="786" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    implements
                </text>
            </switch>
        </g>
        <rect x="450" y="670" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 685px; margin-left: 451px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                IndexUpdatePlanner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="510" y="689" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    IndexUpdatePlanner
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 252px; height: 1px; padding-top: 810px; margin-left: 175px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 190px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    Planner
                                </h1>
                                <p>
                                    planner has QueryPlanner and UpdatePlanner.
                                </p>
                                <p>
                                    - createQueryPlan() parses select query with parser, create Plan and return it.
                                </p>
                                <p>
                                    - executeUpdate() parses delete/update/create query with parser, execute the query, and return the affected rows.
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="175" y="822" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    Planner...
                </text>
            </switch>
        </g>
        <path d="M 371.89 710 L 592.85 861.4" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 597.19 864.37 L 589.43 863.3 L 592.85 861.4 L 593.39 857.52 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 787px; margin-left: 485px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                implements
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="485" y="791" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    implements
                </text>
            </switch>
        </g>
        <rect x="290" y="680" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 695px; margin-left: 291px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BasicUpdatePlanner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="350" y="699" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BasicUpdatePlanner
                </text>
            </switch>
        </g>
        <path d="M 334.78 780 L 469.77 861.7" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 474.26 864.42 L 466.46 863.79 L 469.77 861.7 L 470.08 857.8 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 823px; margin-left: 405px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; background-color: rgb(255, 255, 255); white-space: nowrap;">
                                implements
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="405" y="826" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="11px" text-anchor="middle">
                    implements
                </text>
            </switch>
        </g>
        <rect x="250" y="750" width="120" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 765px; margin-left: 251px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BasicQueryPlanner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="310" y="769" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BasicQueryPlanner
                </text>
            </switch>
        </g>
        <rect x="670" y="345" width="240" height="160" rx="24" ry="24" fill="#ffcccc" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 238px; height: 1px; padding-top: 352px; margin-left: 671px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                SimpleDB
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="790" y="364" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    SimpleDB
                </text>
            </switch>
        </g>
        <rect x="690" y="415" width="90" height="30" rx="4.5" ry="4.5" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 430px; margin-left: 691px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                MetadataMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="735" y="434" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    MetadataMgr
                </text>
            </switch>
        </g>
        <rect x="690" y="455" width="90" height="30" rx="4.5" ry="4.5" fill="#bac8d3" stroke="#23445d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 470px; margin-left: 691px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                Planner
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="735" y="474" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    Planner
                </text>
            </switch>
        </g>
        <rect x="800" y="455" width="90" height="30" rx="4.5" ry="4.5" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 470px; margin-left: 801px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                BufferMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="845" y="474" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    BufferMgr
                </text>
            </switch>
        </g>
        <rect x="800" y="415" width="90" height="30" rx="4.5" ry="4.5" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 430px; margin-left: 801px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                LogMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="845" y="434" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    LogMgr
                </text>
            </switch>
        </g>
        <rect x="690" y="375" width="90" height="30" rx="4.5" ry="4.5" fill="#cdeb8b" stroke="#36393d" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 390px; margin-left: 691px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                FileMgr
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="735" y="394" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    FileMgr
                </text>
            </switch>
        </g>
        <path d="M 729.62 485 L 607.99 824.1" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 606.22 829.04 L 605.29 821.27 L 607.99 824.1 L 611.88 823.63 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 242px; height: 1px; padding-top: 520px; margin-left: 145px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 140px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    BasicUpdatePlanner
                                </h1>
                                <p>
                                    1. Update records in executeDelete/Modify/Insert()
                                </p>
                                <p>
                                    2. Create table/view/index by calling metadataMgr
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="145" y="532" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    BasicUpdatePlanner...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 252px; height: 1px; padding-top: 520px; margin-left: 420px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 140px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    IndexUpdatePlanner
                                </h1>
                                <p>
                                    <span>
                                        1. Updates index records in executeDelete/Modify/Insert()
                                    </span>
                                    <br/>
                                </p>
                                <p>
                                    <span>
                                        2. Create table/view/index by calling metadataMgr
                                    </span>
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="420" y="532" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    IndexUpdatePlanner...
                </text>
            </switch>
        </g>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 232px; height: 1px; padding-top: 690px; margin-left: 5px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: left; max-height: 110px; overflow: hidden;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                <h1>
                                    BasicQueryPlanner
                                </h1>
                                <p>
                                    Generates pipelined plan from QueryData and return the plan
                                </p>
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="5" y="702" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px">
                    BasicQueryPlanner...
                </text>
            </switch>
        </g>
        <path d="M 1410 1101.54 L 745.51 1188.39" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 740.31 1189.08 L 746.8 1184.7 L 745.51 1188.39 L 747.7 1191.64 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1410" y="1080" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1095px; margin-left: 1411px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                TempTable
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1460" y="1099" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    TempTable
                </text>
            </switch>
        </g>
        <rect x="1490" y="1190" width="100" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 1205px; margin-left: 1491px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                ChunkScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1540" y="1209" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    ChunkScan
                </text>
            </switch>
        </g>
        <path d="M 1676.3 1140 L 1556.24 1186.53" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1551.34 1188.43 L 1556.6 1182.63 L 1556.24 1186.53 L 1559.13 1189.16 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1640 1133.63 L 1156.33 1189.27" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1151.11 1189.87 L 1157.66 1185.6 L 1156.33 1189.27 L 1158.46 1192.55 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1640" y="1110" width="150" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 148px; height: 1px; padding-top: 1125px; margin-left: 1641px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                MultibufferProductScan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1715" y="1129" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    MultibufferProductScan
                </text>
            </switch>
        </g>
        <path d="M 1715 1070 L 1715 1103.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <path d="M 1715 1108.88 L 1711.5 1101.88 L 1715 1103.63 L 1718.5 1101.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="none"/>
        <rect x="1640" y="1040" width="150" height="30" rx="4.5" ry="4.5" fill="#b0e3e6" stroke="#0e8088" pointer-events="none"/>
        <g transform="translate(-0.5 -0.5)">
            <switch>
                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 148px; height: 1px; padding-top: 1055px; margin-left: 1641px;">
                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">
                                MultibufferProductPlan
                            </div>
                        </div>
                    </div>
                </foreignObject>
                <text x="1715" y="1059" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
                    MultibufferProductPlan
                </text>
            </switch>
        </g>
    </g>
    <switch>
        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
                Viewer does not support full SVG 1.1
            </text>
        </a>
    </switch>
</svg>