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/*
* Copyright (c) 2014-2016 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:
* Esteban Dugueperoux - initial API and implementation
*/
package org.eclipse.emf.cdo.tests.bugzilla;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.branch.CDOBranchChangedEvent;
import org.eclipse.emf.cdo.common.branch.CDOBranchChangedEvent.ChangeKind;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.AbstractCDOTest;
import org.eclipse.emf.cdo.tests.config.IRepositoryConfig;
import org.eclipse.emf.cdo.tests.config.impl.ConfigTest.CleanRepositoriesBefore;
import org.eclipse.emf.cdo.tests.config.impl.ConfigTest.Requires;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.net4j.util.event.IEvent;
import org.eclipse.net4j.util.event.IListener;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* Test that when another client creates a branch, and we call {@link CDOBranch#getBranches()} for the first time, it calls all existing branches.
*
* @author Esteban Dugueperoux
*/
@Requires(IRepositoryConfig.CAPABILITY_BRANCHING)
@CleanRepositoriesBefore(reason = "Branching")
public class Bugzilla_447912_Test extends AbstractCDOTest
{
public void testCDOBranch_getBranches() throws Exception
{
CDOSession session1 = openSession();
CDOView view1 = session1.openView();
CDOBranch mainBranchFromView1 = view1.getBranch();
String branchB1Name = "b1";
String branchB2Name = "b2";
mainBranchFromView1.createBranch(branchB1Name);
CDOSession session2 = openSession();
CDOView view2 = session2.openView();
CDOBranch mainBranchFromView2 = view2.getBranch();
NewBranchNotificationListener listener = new NewBranchNotificationListener(session2);
mainBranchFromView1.createBranch(branchB2Name);
assertEquals("Timeout - No CDOBranchChangedEvent received.", true, listener.getLatch().await(DEFAULT_TIMEOUT, TimeUnit.MILLISECONDS));
assertEquals(mainBranchFromView1.getBranches().length, mainBranchFromView2.getBranches().length);
assertEquals(session1.getBranchManager().getMainBranch().getBranches().length, session2.getBranchManager().getMainBranch().getBranches().length);
assertEquals(2, mainBranchFromView1.getBranches().length);
assertEquals(mainBranchFromView1.getBranches()[0].getID(), mainBranchFromView2.getBranches()[0].getID());
assertEquals(mainBranchFromView1.getBranches()[1].getID(), mainBranchFromView2.getBranches()[1].getID());
assertEquals(mainBranchFromView1.getBranches()[0].getName(), mainBranchFromView2.getBranches()[0].getName());
assertEquals(mainBranchFromView1.getBranches()[1].getName(), mainBranchFromView2.getBranches()[1].getName());
assertEquals(branchB1Name, mainBranchFromView2.getBranches()[0].getName());
assertEquals(branchB2Name, mainBranchFromView2.getBranches()[1].getName());
}
/**
* @author Esteban Dugueperoux
*/
private static final class NewBranchNotificationListener implements IListener
{
private final CountDownLatch latch = new CountDownLatch(1);
public NewBranchNotificationListener(CDOSession session)
{
session.getBranchManager().addListener(this);
}
public final CountDownLatch getLatch()
{
return latch;
}
public void notifyEvent(IEvent event)
{
if (event instanceof CDOBranchChangedEvent)
{
CDOBranchChangedEvent branchChangedEvent = (CDOBranchChangedEvent)event;
if (branchChangedEvent.getChangeKind() == ChangeKind.CREATED)
{
latch.countDown();
}
}
}
}
}
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