/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.unitofwork; | |
import org.eclipse.persistence.sessions.UnitOfWork; | |
import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; | |
import org.eclipse.persistence.testing.framework.TestErrorException; | |
import org.eclipse.persistence.testing.framework.TestWarningException; | |
public class LockOnCloneDeadlockAvoidanceTest extends AutoVerifyTestCase { | |
//session for the threads | |
public ConcurrentPerson person; | |
public ConcurrentPerson cloned; | |
public LockOnCloneListener listener = new LockOnCloneListener(); | |
public LockOnCloneDeadlockAvoidanceTest() { | |
this.setDescription("Tests that TopLink is correctly locking on cloning, and avoiding deadlocks"); | |
} | |
public void setup() { | |
if (getSession().isDistributedSession()) { | |
throw new TestWarningException("Test unavailable on Remote UnitOfWork because of timing issues"); | |
} | |
getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); | |
getSession().getDescriptor(ConcurrentAddress.class).getEventManager().addListener(listener); | |
UnitOfWork uow = getSession().acquireUnitOfWork(); | |
this.person = (ConcurrentPerson) uow.registerObject(ConcurrentPerson.example1()); | |
uow.commit(); | |
ConcurrentAddress.RUNNING_TEST = ConcurrentAddress.LOCK_ON_CLONE_DEADLOCK; | |
} | |
public void test() { | |
Thread thread1 = new Thread() { | |
public void run() { | |
UnitOfWork uow = getSession().acquireUnitOfWork(); | |
cloned = (ConcurrentPerson)uow.registerObject(person); | |
} | |
}; | |
Thread thread2 = new Thread() { | |
public void run() { | |
getSession().refreshObject(person.address); | |
} | |
}; | |
thread1.start(); | |
thread2.start(); | |
try { | |
thread1.join(); | |
thread2.join(); | |
} catch (Exception ex) { | |
//just an inturrupt ignore | |
} | |
ConcurrentAddress.RUNNING_TEST = ConcurrentAddress.NONE; | |
if (!(cloned.getAddress().getStreet().equals("Start") && | |
cloned.getAddress().getPostalCode().equals("H0H0H0"))) { | |
if (!(cloned.getAddress().getStreet().equals("Corrupted") && | |
cloned.getAddress().getPostalCode().equals("A1A1A1"))) { | |
throw new TestErrorException("Failed to wholly clone the object"); | |
} else { | |
getSession().logMessage("LockOnCloneTest :-> Clone blocked on Refresh"); | |
} | |
} else { | |
getSession().logMessage(" LockOnCloneTest :-> refresh blocked on clone"); | |
} | |
} | |
public void reset() { | |
UnitOfWork uow = getSession().acquireUnitOfWork(); | |
uow.deleteObject(this.person); | |
uow.commit(); | |
getSession().getDescriptor(ConcurrentAddress.class).getEventManager().removeListener(listener); | |
getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); | |
} | |
} |