| 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.api.report.ConsoleStream; |
| import org.apache.maven.surefire.api.util.internal.DaemonThreadFactory; |
| import org.junit.runner.Description; |
| import org.junit.runners.model.RunnerScheduler; |
| |
| import java.util.Collection; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.ThreadFactory; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Used to execute tests annotated with net.jcip.annotations.NotThreadSafe. |
| * <br> |
| * |
| * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a> |
| * @see ParallelComputerBuilder |
| * @since 2.18 |
| */ |
| final class SingleThreadScheduler |
| { |
| private final ConsoleStream logger; |
| |
| private final ExecutorService pool = newPool(); |
| |
| private final Scheduler master; |
| |
| private static ExecutorService newPool() |
| { |
| ThreadFactory tf = DaemonThreadFactory.newDaemonThreadFactory( "maven-surefire-plugin@NotThreadSafe" ); |
| return new ThreadPoolExecutor( 1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), tf ); |
| } |
| |
| SingleThreadScheduler( ConsoleStream logger ) |
| { |
| this.logger = logger; |
| SchedulingStrategy strategy = SchedulingStrategies.createParallelSharedStrategy( logger, pool ); |
| master = new Scheduler( logger, null, strategy ); |
| } |
| |
| RunnerScheduler newRunnerScheduler() |
| { |
| SchedulingStrategy strategy = SchedulingStrategies.createParallelSharedStrategy( logger, pool ); |
| return new Scheduler( logger, null, master, strategy ); |
| } |
| |
| /** |
| * @see Scheduler#describeStopped(boolean) |
| */ |
| ShutdownResult describeStopped( boolean shutdownNow ) |
| { |
| ShutdownResult shutdownResult = master.describeStopped( shutdownNow ); |
| return new ShutdownResult( copyExisting( shutdownResult.getTriggeredTests() ), |
| copyExisting( shutdownResult.getIncompleteTests() ) ); |
| } |
| |
| /** |
| * @see Scheduler#shutdownThreadPoolsAwaitingKilled() |
| */ |
| boolean shutdownThreadPoolsAwaitingKilled() |
| { |
| return master.shutdownThreadPoolsAwaitingKilled(); |
| } |
| |
| private Collection<Description> copyExisting( Collection<Description> descriptions ) |
| { |
| Collection<Description> activeChildren = new ConcurrentLinkedQueue<>( descriptions ); |
| ParallelComputerUtil.removeUnusedDescriptions( activeChildren ); |
| return activeChildren; |
| } |
| } |