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/**
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Simon McDuff - initial API and implementation
*/
package org.eclipse.emf.cdo.tests.bugzilla;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.AbstractCDOTest;
import org.eclipse.emf.cdo.tests.config.IModelConfig;
import org.eclipse.emf.cdo.tests.model4.GenRefMultiNonContained;
import org.eclipse.emf.cdo.tests.model4.GenRefSingleContained;
import org.eclipse.emf.cdo.tests.model4.GenRefSingleNonContained;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.util.ObjectNotFoundException;
import org.eclipse.emf.cdo.view.CDOStaleReferencePolicy;
import org.eclipse.emf.ecore.EObject;
/**
* Deadlock in CDOView
* <p>
* See bug 279982
*
* @author Simon McDuff
*/
public class Bugzilla_279982_Test extends AbstractCDOTest
{
// As log as there is no getter interception, stale reference cannot be detected for legacy
@Skips(IModelConfig.CAPABILITY_LEGACY)
public void testBugzilla_279982_Single() throws Exception
{
CDOSession session = openSession();
CDOTransaction tx = session.openTransaction();
CDOResource res = tx.getOrCreateResource(getResourcePath("/resource1"));
tx.options().setStaleReferenceBehaviour(CDOStaleReferencePolicy.PROXY);
GenRefSingleContained container = getModel4Factory().createGenRefSingleContained();
GenRefSingleNonContained reference = getModel4Factory().createGenRefSingleNonContained();
GenRefSingleNonContained contained = getModel4Factory().createGenRefSingleNonContained();
container.setElement(contained);
reference.setElement(contained);
res.getContents().add(container);
res.getContents().add(reference);
tx.commit();
container.setElement(null);
tx.commit();
assertNull(container.getElement());
EObject element = reference.getElement();
assertNotNull(element);
try
{
assertEquals(true, CDOUtil.isStaleObject(element));
element.eContainer();
fail("Should fail");
}
catch (ObjectNotFoundException ex)
{
// ignore
}
catch (Exception ex)
{
fail("Should have an ObjectNotFoundException");
}
tx.options().setStaleReferenceBehaviour(CDOStaleReferencePolicy.EXCEPTION);
try
{
reference.getElement();
fail("Should fail");
}
catch (ObjectNotFoundException ex)
{
// ignore
}
catch (Exception ex)
{
fail("Should have an ObjectNotFoundException");
}
CDOUtil.cleanStaleReference(reference, getModel4Package().getGenRefSingleNonContained_Element());
assertNull(reference.getElement());
tx.commit();
clearCache(session.getRevisionManager());
// Verification that the commit is good
tx = session.openTransaction();
res = tx.getOrCreateResource(getResourcePath("/resource1"));
reference = (GenRefSingleNonContained)res.getContents().get(1);
assertNull(reference.getElement());
}
// As log as there is no getter interception, stale reference cannot be detected for legacy
@Skips(IModelConfig.CAPABILITY_LEGACY)
public void testBugzilla_279982_Multi() throws Exception
{
CDOSession session = openSession();
CDOTransaction tx = session.openTransaction();
CDOResource res = tx.getOrCreateResource(getResourcePath("/resource1"));
tx.options().setStaleReferenceBehaviour(CDOStaleReferencePolicy.PROXY);
GenRefSingleContained container = getModel4Factory().createGenRefSingleContained();
GenRefMultiNonContained reference = getModel4Factory().createGenRefMultiNonContained();
GenRefSingleNonContained contained = getModel4Factory().createGenRefSingleNonContained();
container.setElement(contained);
reference.getElements().add(contained);
res.getContents().add(container);
res.getContents().add(reference);
tx.commit();
container.setElement(null);
tx.commit();
assertNull(container.getElement());
assertNotNull(reference.getElements().get(0));
tx.options().setStaleReferenceBehaviour(CDOStaleReferencePolicy.EXCEPTION);
try
{
reference.getElements().get(0);
fail("Should fail");
}
catch (ObjectNotFoundException ex)
{
// ignore
}
catch (Exception ex)
{
fail("Should have an ObjectNotFoundException");
}
CDOUtil.cleanStaleReference(reference, getModel4Package().getGenRefMultiNonContained_Elements(), 0);
assertEquals(0, reference.getElements().size());
tx.commit();
clearCache(session.getRevisionManager());
// Verification that the commit is good
tx = session.openTransaction();
res = tx.getOrCreateResource(getResourcePath("/resource1"));
reference = (GenRefMultiNonContained)res.getContents().get(1);
assertEquals(0, reference.getElements().size());
}
// As log as there is no getter interception, stale reference cannot be detected for legacy
@Skips(IModelConfig.CAPABILITY_LEGACY)
public void testBugzilla_279982_Multi_RevisionPrefetchingPolicy() throws Exception
{
CDOSession session = openSession();
{
CDOTransaction tx = session.openTransaction();
CDOResource res = tx.getOrCreateResource(getResourcePath("/resource1"));
// tx.options().setUnresolveableObjectToNullEnabled(true);
GenRefSingleContained container = getModel4Factory().createGenRefSingleContained();
GenRefMultiNonContained reference = getModel4Factory().createGenRefMultiNonContained();
GenRefSingleNonContained contained = getModel4Factory().createGenRefSingleNonContained();
GenRefSingleNonContained contained2 = getModel4Factory().createGenRefSingleNonContained();
container.setElement(contained);
reference.getElements().add(contained);
reference.getElements().add(contained2);
res.getContents().add(container);
res.getContents().add(reference);
res.getContents().add(contained2);
tx.commit();
res.getContents().remove(contained2);
tx.commit();
}
clearCache(session.getRevisionManager());
CDOTransaction tx = session.openTransaction();
CDOResource res = tx.getOrCreateResource(getResourcePath("/resource1"));
tx.options().setRevisionPrefetchingPolicy(CDOUtil.createRevisionPrefetchingPolicy(100));
GenRefMultiNonContained reference = (GenRefMultiNonContained)res.getContents().get(1);
assertNotNull(reference.getElements().get(0));
try
{
assertNotNull(reference.getElements().get(1));
fail("Should fail");
}
catch (ObjectNotFoundException ex)
{
// ignore
}
catch (Exception ex)
{
fail("Should have an ObjectNotFoundException");
}
CDOUtil.cleanStaleReference(reference, getModel4Package().getGenRefMultiNonContained_Elements(), 0);
assertEquals(1, reference.getElements().size());
tx.commit();
clearCache(session.getRevisionManager());
// Verification that the commit is good
tx = session.openTransaction();
res = tx.getOrCreateResource(getResourcePath("/resource1"));
reference = (GenRefMultiNonContained)res.getContents().get(1);
assertEquals(1, reference.getElements().size());
}
}
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