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/*
* Copyright (c) 2018 Eike Stepper (Loehne, 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.tests.bugzilla;
import org.eclipse.emf.cdo.CDOLock;
import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.common.lock.CDOLockState;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.net4j.CDONet4jSession;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.AbstractCDOTest;
import org.eclipse.emf.cdo.tests.config.ISessionConfig;
import org.eclipse.emf.cdo.tests.config.impl.ConfigTest.Requires;
import org.eclipse.emf.cdo.tests.model1.Company;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.view.CDOLockStatePrefetcher;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.internal.cdo.view.CDOViewImpl;
import java.util.Collections;
/**
* Bug 541003 - LockStatePrefetcher does not update other views.
*
* @author Eike Stepper
*/
@Requires(ISessionConfig.CAPABILITY_NET4J)
public class Bugzilla_541003_Test extends AbstractCDOTest
{
public void testLockStateWithPrefetcher() throws Exception
{
run(true);
}
public void testLockStateWithoutPrefetcher() throws Exception
{
run(false);
}
private void run(boolean lockStatePrefetchEnabled) throws Exception
{
CDOLock lock = prepareLock();
lock.lock();
CDONet4jSession session = (CDONet4jSession)openSession();
CDOView view1 = openView(session, lockStatePrefetchEnabled);
CDOView view2 = openView(session, false);
// With lockStatePrefetchEnabled the lock state is loaded here:
CDOLock lock1 = loadLock(view1);
CDOLock lock2 = loadLock(view2);
assertEquals(lockStatePrefetchEnabled, hasLockState(lock1));
assertEquals(false, hasLockState(lock2));
// Without lockStatePrefetchEnabled the lock state is loaded here:
assertTrue(lock1.isLockedByOthers());
assertTrue(lock2.isLockedByOthers());
assertEquals(true, hasLockState(lock1));
assertEquals(true, hasLockState(lock2));
}
private CDOLock prepareLock() throws Exception
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource = transaction.createResource(getResourcePath("res"));
Company company = getModel1Factory().createCompany();
resource.getContents().add(company);
transaction.commit();
return CDOUtil.getCDOObject(company).cdoWriteLock();
}
private CDOView openView(CDOSession session, boolean lockStatePrefetchEnabled)
{
CDOView view = session.openView();
if (lockStatePrefetchEnabled)
{
new CDOLockStatePrefetcher(view, false);
}
return view;
}
private CDOLock loadLock(CDOView view)
{
CDOResource resource = view.getResource(getResourcePath("res"));
Company company = (Company)resource.getContents().get(0);
return CDOUtil.getCDOObject(company).cdoWriteLock();
}
private boolean hasLockState(CDOLock lock)
{
CDOObject object = lock.getObject();
CDOViewImpl view = (CDOViewImpl)object.cdoView();
CDOLockState[] lockStates = view.getLockStates(Collections.singleton(object.cdoID()), false);
return lockStates != null && lockStates.length == 1;
}
}
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