| /* |
| * 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. |
| */ |
| package org.apache.jackrabbit.oak.jcr; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.model.RunnerScheduler; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Extension of the {@link Parameterized} test runner, which runs tests in |
| * parallel. |
| */ |
| public class Parallelized extends Parameterized { |
| |
| /** |
| * Logger instance. Present to force early auto-initialization of the |
| * logging system and thus to avoid warnings about concurrent |
| * initialization. |
| */ |
| private static final Logger log = |
| LoggerFactory.getLogger(Parallelized.class); |
| |
| private static class ThreadPoolScheduler implements RunnerScheduler { |
| private ExecutorService executor; |
| |
| public ThreadPoolScheduler() { |
| String threads = System.getProperty("junit.parallel.threads", "16"); |
| int numThreads = Integer.parseInt(threads); |
| executor = Executors.newFixedThreadPool(numThreads); |
| } |
| |
| @Override |
| public void finished() { |
| executor.shutdown(); |
| try { |
| while (!executor.awaitTermination(1, TimeUnit.MINUTES)) { |
| log.info("Awaiting for the task termination in {}", executor); |
| } |
| } catch (InterruptedException exc) { |
| throw new RuntimeException(exc); |
| } |
| } |
| |
| @Override |
| public void schedule(Runnable childStatement) { |
| executor.submit(childStatement); |
| } |
| } |
| |
| public Parallelized(Class klass) throws Throwable { |
| super(klass); |
| setScheduler(new ThreadPoolScheduler()); |
| } |
| } |