/**
* 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.openejb.core.stateful;
import junit.framework.TestCase;
import javax.ejb.TransactionAttribute;
import javax.ejb.EJB;
import javax.ejb.SessionBean;
import javax.ejb.EJBException;
import javax.ejb.SessionContext;
import javax.ejb.EJBObject;
import javax.ejb.EJBHome;
import javax.ejb.CreateException;
import javax.ejb.RemoteHome;
import static javax.ejb.TransactionAttributeType.*;
import javax.naming.InitialContext;
import org.apache.openejb.config.ConfigurationFactory;
import org.apache.openejb.assembler.classic.Assembler;
import org.apache.openejb.assembler.classic.TransactionServiceInfo;
import org.apache.openejb.assembler.classic.SecurityServiceInfo;
import org.apache.openejb.assembler.classic.StatefulSessionContainerInfo;
import org.apache.openejb.jee.EjbJar;
import org.apache.openejb.jee.StatefulBean;
import org.apache.openejb.jee.StatelessBean;
import org.apache.openejb.client.LocalInitialContextFactory;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.rmi.RemoteException;
/**
* @version $Rev$ $Date$
*/
public class StatefulTransactionLockingTest extends TestCase {
@Override
protected void setUp() throws Exception {
System.setProperty(javax.naming.Context.INITIAL_CONTEXT_FACTORY, LocalInitialContextFactory.class.getName());
ConfigurationFactory config = new ConfigurationFactory();
Assembler assembler = new Assembler();
assembler.createTransactionManager(config.configureService(TransactionServiceInfo.class));
assembler.createSecurityService(config.configureService(SecurityServiceInfo.class));
// containers
assembler.createContainer(config.configureService(StatefulSessionContainerInfo.class));
// Setup the descriptor information
EjbJar ejbJar = new EjbJar();
ejbJar.addEnterpriseBean(new StatelessBean(BlueStatelessBean.class));
ejbJar.addEnterpriseBean(new StatefulBean(RedStatefulBean.class));
ejbJar.addEnterpriseBean(new StatefulBean(LegacyStatefulBean.class));
assembler.createApplication(config.configureApplication(ejbJar));
}
public void testCompetingTransactions() throws Exception {
final BlueStateless blueStateless = (BlueStateless) new InitialContext().lookup("BlueStatelessBeanLocal");
final RedStateful redStateful = (RedStateful) new InitialContext().lookup("RedStatefulBeanLocal");
Tx tx1 = new Tx(new RunTransaction(blueStateless, redStateful));
Tx tx2 = new Tx(new RunTransaction(blueStateless, redStateful));
Tx tx3 = new Tx(new RunTransaction(blueStateless, redStateful));
tx1.thread.start();
tx2.thread.start();
tx3.thread.start();
// Start the first transaction and wait for it to enlist the stateful bean
tx1.begin.countDown();
tx1.progress.await();
// Start the second transaction, it should fail
tx2.begin.countDown();
assertTrue("TX 2 should fail", tx2.fail.await(5, TimeUnit.SECONDS));
// end tx 1
tx1.commit.countDown();
// give it a second to commit
Thread.sleep(1000);
// Now we should be able to cleanly enlist the stateful bean in a new transaction
tx3.begin.countDown();
tx3.progress.await(5, TimeUnit.SECONDS);
}
public void testLeavingTransaction() throws Exception {
BlueStateless blueStateless = (BlueStateless) new InitialContext().lookup("BlueStatelessBeanLocal");
RedStateful redStateful = (RedStateful) new InitialContext().lookup("RedStatefulBeanLocal");
blueStateless.leaveTransaction1(redStateful);
blueStateless.leaveTransaction2(redStateful);
}
public void testNestingTransaction() throws Exception {
BlueStateless blueStateless = (BlueStateless) new InitialContext().lookup("BlueStatelessBeanLocal");
RedStateful redStateful = (RedStateful) new InitialContext().lookup("RedStatefulBeanLocal");
blueStateless.nestingTransaction(redStateful);
}
public void testCreatedInTransaction() throws Exception {
BlueStateless blueStateless = (BlueStateless) new InitialContext().lookup("BlueStatelessBeanLocal");
blueStateless.testCreatedInTransaction(new Tx(new RunTransaction(null, null)));
}
public void testLegacyRemoveOutOfTransaction() throws Exception {
LegacyHome home = (LegacyHome) new InitialContext().lookup("LegacyStatefulBeanRemoteHome");
LegacyObject legacyObject = home.create();
legacyObject.txRequired();
legacyObject.remove();
}
public static class Tx {
private final CountDownLatch begin = new CountDownLatch(1);
private final CountDownLatch progress = new CountDownLatch(1);
private final CountDownLatch commit = new CountDownLatch(1);
private final CountDownLatch fail = new CountDownLatch(1);
private final Thread thread;
public Tx(TxRunnable runnable) {
runnable.tx = this;
this.thread = new Thread(runnable);
}
}
public abstract static class TxRunnable implements Runnable {
protected Tx tx;
}
public static class RunTransaction extends TxRunnable {
private final BlueStateless blueStateless;
private final RedStateful redStateful;
public RunTransaction(BlueStateless blueStateless, RedStateful redStateful) {
this.blueStateless = blueStateless;
this.redStateful = redStateful;
}
public void run() {
try {
blueStateless.runTransaction(redStateful, tx);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@EJB(name = "red", beanName = "RedStatefulBean", beanInterface = RedStateful.class)
public static class BlueStatelessBean implements BlueStateless {
@TransactionAttribute(REQUIRED)
public void runTransaction(RedStateful stateful, Tx tx) throws Exception {
try {
tx.begin.await();
stateful.txRequired();
tx.progress.countDown();
stateful.txRequired();
stateful.txRequired();
tx.commit.await();
} catch (Exception e) {
tx.fail.countDown();
}
}
@TransactionAttribute(REQUIRED)
public void leaveTransaction1(RedStateful stateful) throws Exception {
stateful.txRequired();
stateful.txNotSupported();
stateful.txRequired();
stateful.txNotSupported();
stateful.txRequired();
}
@TransactionAttribute(REQUIRED)
public void leaveTransaction2(RedStateful stateful) throws Exception {
stateful.txNotSupported();
stateful.txRequired();
stateful.txNotSupported();
stateful.txRequired();
}
@TransactionAttribute(REQUIRED)
public void nestingTransaction(RedStateful stateful) throws Exception {
stateful.txRequired();
stateful.txRequiresNew();
stateful.txRequired();
stateful.txRequiresNew();
stateful.txRequired();
}
@TransactionAttribute(REQUIRED)
public void testCreatedInTransaction(Tx tx) throws Exception {
RedStateful targetBean = (RedStateful) new InitialContext().lookup("java:comp/env/red");
targetBean.txRequired();
targetBean.txRequired();
targetBean.txRequired();
}
}
public static interface BlueStateless {
void testCreatedInTransaction(Tx tx) throws Exception;
void runTransaction(RedStateful redStateful, Tx tx) throws Exception;
void leaveTransaction1(RedStateful redStateful) throws Exception;
void leaveTransaction2(RedStateful redStateful) throws Exception;
void nestingTransaction(RedStateful stateful) throws Exception;
}
public static class RedStatefulBean implements RedStateful {
@TransactionAttribute(REQUIRED)
public void txRequired() {}
@TransactionAttribute(REQUIRES_NEW)
public void txRequiresNew() {}
@TransactionAttribute(NOT_SUPPORTED)
public void txNotSupported() {}
}
public static interface RedStateful {
public void txRequired();
public void txNotSupported();
public void txRequiresNew();
}
@RemoteHome(LegacyHome.class)
public static class LegacyStatefulBean extends RedStatefulBean implements SessionBean {
public void ejbCreate() {
}
public void ejbActivate() throws EJBException, RemoteException {
}
public void ejbPassivate() throws EJBException, RemoteException {
}
public void ejbRemove() throws EJBException, RemoteException {
}
public void setSessionContext(SessionContext sessionContext) throws EJBException, RemoteException {
}
}
public static interface LegacyObject extends EJBObject, RedStateful {
}
public static interface LegacyHome extends EJBHome {
LegacyObject create() throws RemoteException, CreateException;
}
}