/*
* Copyright (c) 2016 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.tests.bugzilla;
import org.eclipse.emf.cdo.CDOObject;
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.model1.Company;
import org.eclipse.emf.cdo.transaction.CDOAutoLocker;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.ecore.EObject;
/**
* Bug 485489: CDOAutoLocker: Some locks can be left after view has been closed
*
* @author Eike Stepper
*/
public class Bugzilla_485489_Test extends AbstractCDOTest
{
public void testTransactionCommitAfterAutoLocker() throws Exception
{
Company company = getModel1Factory().createCompany();
company.setName("Company1");
company.setStreet("Street1");
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource = transaction.createResource(getResourcePath("/test1"));
resource.getContents().add(company);
transaction.commit();
assertWriteLock(false, company);
transaction.addTransactionHandler(new CDOAutoLocker());
company.setName("Company2"); // Acquire write lock.
company.setStreet("Street2"); // Increase write lock count to 2.
assertWriteLock(true, company);
transaction.commit();
assertWriteLock(false, company);
}
public void testViewCloseAfterAutoLocker() throws Exception
{
Company company = getModel1Factory().createCompany();
company.setName("Company1");
company.setStreet("Street1");
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource = transaction.createResource(getResourcePath("/test1"));
resource.getContents().add(company);
transaction.commit();
assertWriteLock(false, company);
transaction.addTransactionHandler(new CDOAutoLocker());
company.setName("Company2"); // Acquire write lock.
company.setStreet("Street2"); // Increase write lock count to 2.
assertWriteLock(true, company);
transaction.close();
assertWriteLock(false, company);
}
private void assertWriteLock(boolean expected, EObject object) throws InterruptedException
{
CDOObject cdoObject = CDOUtil.getCDOObject(object);
CDOView view = cdoObject.cdoView();
CDOTransaction transaction = view.getSession().openTransaction(view.getBranch());
try
{
CDOObject txObject = transaction.getObject(cdoObject);
boolean actual = !txObject.cdoWriteLock().tryLock(500);
assertEquals(expected, actual);
}
finally
{
transaction.close();
}
}
}