package org.apache.maven.surefire.junitcore.pc; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import org.apache.maven.surefire.report.ConsoleStream; import java.util.Queue; import java.util.concurrent.ConcurrentLinkedQueue; /** * The sequentially executing strategy in private package. * * @author Tibor Digana (tibor17) * @see SchedulingStrategy * @since 2.16 */ final class InvokerStrategy extends SchedulingStrategy { private final Queue<Thread> activeThreads = new ConcurrentLinkedQueue<Thread>(); protected InvokerStrategy( ConsoleStream logger ) { super( logger ); } @Override public void schedule( Runnable task ) { if ( canSchedule() ) { final Thread currentThread = Thread.currentThread(); try { activeThreads.add( currentThread ); task.run(); } finally { activeThreads.remove( currentThread ); } } } @Override protected boolean stop() { return disable(); } @Override protected boolean stopNow() { final boolean stopped = disable(); for ( Thread activeThread = activeThreads.poll(); activeThread != null; activeThread = activeThreads.poll() ) { activeThread.interrupt(); } return stopped; } @Override public boolean hasSharedThreadPool() { return false; } @Override public boolean finished() throws InterruptedException { return disable(); } @Override public boolean destroy() { return stop(); } }