refactor from custom locator to java 6+ service locator

Author: tglman

src/main/java/org/objectquery/hibernate/HibernateQueryEngineFactory.java

@@ -0,0 +1,22 @@
+package org.objectquery.hibernate;
+
+import org.hibernate.Session;
+import org.objectquery.QueryEngine;
+import org.objectquery.QueryEngineFactory;
+
+public class HibernateQueryEngineFactory implements QueryEngineFactory {
+
+	@Override
+	public <S> QueryEngine<S> createQueryEngine(Class<S> targetSession) {
+		if (Session.class.equals(targetSession))
+			return createDefaultQueryEngine();
+		return null;
+	}
+
+	@Override
+	@SuppressWarnings("unchecked")
+	public <T> QueryEngine<T> createDefaultQueryEngine() {
+		return (QueryEngine<T>) new HibernateQueryEngine();
+	}
+
+}

src/main/resources/META-INF/ObjectQueryEngine.properties

@@ -0,0 +1 @@
+org.objectquery.hibernate.HibernateQueryEngineFactory