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* as indicated by the @author tags. See the copyright.txt file in the
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.jboss.as.test.integration.ejb.singleton.concurrency.inheritance;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import javax.ejb.ConcurrentAccessTimeoutException;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Tests that methods that are overriden no not used the annotations of the methods that they override
*
* @author Stuart Douglas
*/
@RunWith(Arquillian.class)
public class SingletonConcurrencyInheritanceTestCase {
private static final String ARCHIVE_NAME = "ConcurrencyTestCase";
@Deployment
public static Archive<?> deploy() {
WebArchive war = ShrinkWrap.create(WebArchive.class, ARCHIVE_NAME + ".war");
war.addPackage(SingletonConcurrencyInheritanceTestCase.class.getPackage());
return war;
}
@ArquillianResource
private InitialContext iniCtx;
protected <T> T lookup(String beanName, Class<T> interfaceType) throws NamingException {
return interfaceType.cast(iniCtx.lookup("java:global/" + ARCHIVE_NAME + "/" + beanName + "!" + interfaceType.getName()));
}
/**
* Test overriden method uses correct lock type
*/
@Test
public void testOverridenMethodNoAnnotation() throws Exception {
final SingletonBaseBean singleton = lookup(SingletonChildBean.class.getSimpleName(), SingletonChildBean.class);
ExecutorService pool = Executors.newSingleThreadExecutor();
final CountDownLatch latch = new CountDownLatch(2);
final CountDownLatch entered = new CountDownLatch(1);
//call a method with a write lock
//this will block till we hit the latch
Future<?> future = pool.submit(new Runnable() {
@Override
public void run() {
try {
singleton.readLockOverriddenByParent(latch, entered);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
});
entered.await();
try {
singleton.readLockOverriddenByParent(latch, entered);
throw new RuntimeException("Expecting a concurrency access exception");
} catch (ConcurrentAccessTimeoutException e) {
//expected
}
latch.countDown();
future.get();
}
@Test
public void testOverridenMethodWithAnnotation() throws Exception {
final SingletonBaseBean singleton = lookup(SingletonChildBean.class.getSimpleName(), SingletonChildBean.class);
ExecutorService pool = Executors.newSingleThreadExecutor();
final CountDownLatch latch = new CountDownLatch(2);
final CountDownLatch entered = new CountDownLatch(1);
//call a method with a write lock
//this will block till we hit the latch
Future<?> future = pool.submit(new Runnable() {
@Override
public void run() {
try {
singleton.writeLockOverriddenByParent(latch, entered);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
});
entered.await();
singleton.writeLockOverriddenByParent(latch, entered);
future.get();
}
@Test
public void testWriteLockMethodNotOverridden() throws Exception {
final SingletonBaseBean singleton = lookup(SingletonChildBean.class.getSimpleName(), SingletonChildBean.class);
ExecutorService pool = Executors.newSingleThreadExecutor();
final CountDownLatch latch = new CountDownLatch(2);
final CountDownLatch entered = new CountDownLatch(1);
//call a method with a write lock
//this will block till we hit the latch
Future<?> future = pool.submit(new Runnable() {
@Override
public void run() {
try {
singleton.writeLock(latch, entered);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
});
entered.await();
try {
singleton.writeLock(latch, entered);
throw new RuntimeException("Expecting a concurrency access exception");
} catch (ConcurrentAccessTimeoutException e) {
//expected
}
latch.countDown();
future.get();
}
@Test
public void testImplicitWriteLockMethodNotOverridden() throws Exception {
final SingletonBaseBean singleton = lookup(SingletonChildBean.class.getSimpleName(), SingletonChildBean.class);
ExecutorService pool = Executors.newSingleThreadExecutor();
final CountDownLatch latch = new CountDownLatch(2);
final CountDownLatch entered = new CountDownLatch(1);
//call a method with a write lock
//this will block till we hit the latch
Future<?> future = pool.submit(new Runnable() {
@Override
public void run() {
try {
singleton.impliedWriteLock(latch, entered);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
});
entered.await();
try {
singleton.impliedWriteLock(latch, entered);
throw new RuntimeException("Expecting a concurrency access exception");
} catch (ConcurrentAccessTimeoutException e) {
//expected
}
latch.countDown();
future.get();
}
@Test
public void testReadLockNotOverridden() throws Exception {
final SingletonBaseBean singleton = lookup(SingletonChildBean.class.getSimpleName(), SingletonChildBean.class);
ExecutorService pool = Executors.newSingleThreadExecutor();
final CountDownLatch latch = new CountDownLatch(2);
final CountDownLatch entered = new CountDownLatch(1);
//call a method with a write lock
//this will block till we hit the latch
Future<?> future = pool.submit(new Runnable() {
@Override
public void run() {
try {
singleton.readLock(latch, entered);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
});
entered.await();
singleton.readLock(latch, entered);
future.get();
}
@Test
public void testWritersBlockReader() throws Exception {
final SingletonBaseBean singleton = lookup(SingletonChildBean.class.getSimpleName(), SingletonChildBean.class);
ExecutorService pool = Executors.newSingleThreadExecutor();
final CountDownLatch latch = new CountDownLatch(2);
final CountDownLatch entered = new CountDownLatch(1);
//call a method with a write lock
//this will block till we hit the latch
Future<?> future = pool.submit(new Runnable() {
@Override
public void run() {
try {
singleton.writeLock(latch, entered);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
});
entered.await();
try {
singleton.readLock(latch, entered);
throw new RuntimeException("Expecting a concurrency access exception");
} catch (ConcurrentAccessTimeoutException e) {
//expected
}
latch.countDown();
future.get();
}
}