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zielinskimzfacebook-github-bot
zielinskimz
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Add dirsync for rendercore-thread-utils
Summary: Copied rendercore-thread-utils into litho-rendercore-thread-utils using hg copy. ``` hg copy fbandroid/libraries/rendercore/rendercore-thread-utils/src fbandroid/libraries/components/litho-rendercore-thread-utils/ --force ``` Also enabled dir sync of rendercore-thread-utils directory so that the source code remains in sync between rendercore and litho. Reviewed By: astreet Differential Revision: D69525059 fbshipit-source-id: 0431c7ac50d176bbad3be5c798e08e5a5a9e2a93
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‎litho-rendercore-thread-utils/.gitignore

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/build

‎litho-rendercore-thread-utils/BUCK

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load("@fbsource//xplat/pfh/FBApp_UIFrameworks_Litho:DEFS.bzl", "FBApp_UIFrameworks_Litho")
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load(
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"//tools/build_defs/oss:litho_defs.bzl",
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"fb_android_library",
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)
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oncall("litho_components_for_android")
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fb_android_library(
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name = "rendercore-thread-utils",
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srcs = glob(
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["src/main/java/**/*.kt"],
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),
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autoglob = False,
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feature = FBApp_UIFrameworks_Litho,
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labels = [],
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required_for_source_only_abi = True,
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visibility = [
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"PUBLIC",
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],
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deps = [
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],
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)

‎litho-rendercore-thread-utils/build.gradle

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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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apply plugin: 'com.android.library'
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apply plugin: 'kotlin-android'
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apply plugin: 'com.facebook.kotlin.compilerplugins.dataclassgenerate'
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project.group = GROUP
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version = VERSION_NAME
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android {
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compileSdkVersion rootProject.compileSdkVersion
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buildToolsVersion rootProject.buildToolsVersion
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// We're on an old version of Robolectric which requires this, sadly.
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useLibrary 'org.apache.http.legacy'
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defaultConfig {
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minSdkVersion rootProject.minSdkVersion
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}
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buildTypes {
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debug {
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}
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release {
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}
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}
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namespace 'com.facebook.rendercore.thread.utils'
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lint {
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abortOnError false
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}
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// TODO(#62): Re-enable abort on error.
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}
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dependencies {
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compileOnly deps.inferAnnotations
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}
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apply plugin: "com.vanniktech.maven.publish"

‎litho-rendercore-thread-utils/gradle.properties

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# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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POM_NAME=RenderCoreThreadUtils
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POM_DESCRIPTION=Stub RenderCore Thread Utils
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POM_ARTIFACT_ID=litho-rendercore-thread-utils
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POM_PACKAGING=aar

‎litho-rendercore-thread-utils/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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~ (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
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-->
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<!--
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~ Copyright (c) Meta Platforms, Inc. and affiliates.
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~
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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~ You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BASIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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-->
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<manifest
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package="com.facebook.rendercore.thread.utils">
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</manifest>

‎litho-rendercore-thread-utils/src/main/java/com/facebook/rendercore/thread/utils/RenderCoreThreadUtilsConfig.kt

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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.facebook.rendercore.thread.utils
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/** Config class to enable or disable specific features. */
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object RenderCoreThreadUtilsConfig {
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/**
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* Defaults to the presence of an
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* <pre>IS_TESTING</pre>
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*
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* system property at startup but can be overridden at runtime.
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*/
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@JvmField var isEndToEndTestRun: Boolean = System.getProperty("IS_TESTING") != null
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}

‎litho-rendercore-thread-utils/src/main/java/com/facebook/rendercore/thread/utils/ThreadInheritingPriorityFuture.kt

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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.facebook.rendercore.thread.utils
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import android.os.Process
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import com.facebook.rendercore.thread.utils.ThreadUtils.getResultInheritingPriority
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import com.facebook.rendercore.thread.utils.instrumentation.FutureInstrumenter
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import java.util.concurrent.Callable
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import java.util.concurrent.FutureTask
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import java.util.concurrent.RunnableFuture
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import java.util.concurrent.atomic.AtomicInteger
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/**
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* A future that lets the thread running the computation inherit the priority of any thread waiting
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* on it (if greater).
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*
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* @param <T> The type that is returned from the future
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*/
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open class ThreadInheritingPriorityFuture<T>(callable: Callable<T>, tag: String) {
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private var futureTask: RunnableFuture<T>? =
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FutureInstrumenter.instrument(FutureTask(callable), tag)
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private var resolvedResult: T? = null
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private val runningThreadId = AtomicInteger(-1)
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fun runAndGet(): T {
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val runnableFuture: RunnableFuture<T>?
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val existingResult: T?
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synchronized(this) {
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runnableFuture = futureTask
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existingResult = resolvedResult
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}
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if (existingResult != null) {
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return existingResult
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}
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requireNotNull(runnableFuture)
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if (runningThreadId.compareAndSet(-1, Process.myTid())) {
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runnableFuture.run()
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}
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val newResult = getResultInheritingPriority(runnableFuture, runningThreadId.get())
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synchronized(this) {
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resolvedResult = newResult
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futureTask = null
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}
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onResultReady(newResult)
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return newResult
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}
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open fun onResultReady(result: T) {
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// Override this method to do something when result is ready.
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}
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val isRunning: Boolean
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get() = runningThreadId.get() != -1
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val isDone: Boolean
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get() {
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val futureTask: RunnableFuture<T>?
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synchronized(this) { futureTask = this.futureTask }
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return futureTask == null || futureTask.isDone
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}
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fun cancel() {
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val futureTask: RunnableFuture<T>?
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synchronized(this) { futureTask = this.futureTask }
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futureTask?.cancel(false)
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}
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val isCanceled: Boolean
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get() {
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val futureTask: RunnableFuture<T>?
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synchronized(this) { futureTask = this.futureTask }
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return futureTask != null && futureTask.isCancelled
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}
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}

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