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* 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
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package org.apache.deltaspike.test.core.api.partialbean.uc012;
import org.apache.deltaspike.test.core.api.partialbean.util.ArchiveUtils;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import static java.util.concurrent.TimeUnit.SECONDS;
@RunWith(Arquillian.class)
public class ConcurrencyBugTest
{
@Deployment
public static WebArchive war()
{
final String simpleName = ConcurrencyBugTest.class.getSimpleName();
final String archiveName = simpleName.substring(0, 1).toLowerCase() + simpleName.substring(1);
final JavaArchive testJar = ShrinkWrap.create(JavaArchive.class, archiveName + ".jar")
.addPackage(ConcurrencyBugTest.class.getPackage())
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
final WebArchive webArchive = ShrinkWrap.create(WebArchive.class, archiveName + ".war")
.addAsLibraries(ArchiveUtils.getDeltaSpikeCoreAndPartialBeanArchive())
.addAsLibraries(testJar)
.addAsWebInfResource(EmptyAsset.INSTANCE, "beans.xml");
return webArchive;
}
@Inject
private PartialBean bean;
@Test
public void testWithConcurrency() throws Exception
{
ThreadFactory threadFactory = Executors.defaultThreadFactory();
ExecutorService executor = new ThreadPoolExecutor(5, 10, 60, SECONDS, new SynchronousQueue<Runnable>(),
threadFactory, new BlockPolicy());
int iterations = 100;
List<Future<String>> results = new ArrayList<Future<String>>(iterations);
for (int i = 0; i < iterations; i++) {
results.add(executor.submit(new BeanCaller(bean)));
}
executor.shutdown();
executor.awaitTermination(60, SECONDS);
for (int i = 0; i < iterations; i++)
{
results.get(i).get();
}
}
private class BeanCaller implements Callable<String>
{
private final PartialBean partialBean;
private BeanCaller(PartialBean partialBean) {
this.partialBean = partialBean;
}
@Override
public String call() {
try {
return partialBean.getValue();
}
catch (NullPointerException e)
{
e.printStackTrace();
throw e;
}
}
}
}