| /* |
| * 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.hadoop.fs.adl.common; |
| |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.model.RunnerScheduler; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Provided for convenience to execute parametrized test cases concurrently. |
| */ |
| public class Parallelized extends Parameterized { |
| |
| public Parallelized(Class classObj) throws Throwable { |
| super(classObj); |
| setScheduler(new ThreadPoolScheduler()); |
| } |
| |
| private static class ThreadPoolScheduler implements RunnerScheduler { |
| private ExecutorService executor; |
| |
| ThreadPoolScheduler() { |
| int numThreads = 10; |
| executor = Executors.newFixedThreadPool(numThreads); |
| } |
| |
| public void finished() { |
| executor.shutdown(); |
| try { |
| executor.awaitTermination(10, TimeUnit.MINUTES); |
| } catch (InterruptedException exc) { |
| throw new RuntimeException(exc); |
| } |
| } |
| |
| public void schedule(Runnable childStatement) { |
| executor.submit(childStatement); |
| } |
| } |
| } |