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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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.spi.common.commit;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.internal.common.branch.CDOBranchPointImpl;
import org.eclipse.net4j.util.ObjectUtil;
import java.text.MessageFormat;
import java.util.LinkedList;
/**
* @author Eike Stepper
* @since 3.0
* @noextend This interface is not intended to be extended by clients.
*/
public class CDOChangeSetSegment implements CDOBranchPoint
{
private CDOBranchPoint branchPoint;
private long endTime;
public CDOChangeSetSegment(CDOBranch branch, long timeStamp, long endTime)
{
branchPoint = new CDOBranchPointImpl(branch, timeStamp);
this.endTime = endTime;
}
public CDOBranch getBranch()
{
return branchPoint.getBranch();
}
public long getTimeStamp()
{
return branchPoint.getTimeStamp();
}
public long getEndTime()
{
return endTime;
}
public CDOBranchPoint getEndPoint()
{
return getBranch().getPoint(endTime);
}
public boolean isOpenEnded()
{
return endTime == CDOBranchPoint.UNSPECIFIED_DATE;
}
@Override
public String toString()
{
return MessageFormat.format("Segment[{0}, {1}, {2}]", getBranch(), getTimeStamp(), endTime); //$NON-NLS-1$
}
public static CDOChangeSetSegment[] createFrom(CDOBranchPoint startPoint, CDOBranchPoint endPoint)
{
LinkedList<CDOChangeSetSegment> result = new LinkedList<CDOChangeSetSegment>();
CDOBranch startBranch = startPoint.getBranch();
CDOBranch endBranch = endPoint.getBranch();
while (!ObjectUtil.equals(startBranch, endBranch))
{
CDOBranchPoint base = endBranch.getBase();
result.addFirst(new CDOChangeSetSegment(endBranch, base.getTimeStamp(), endPoint.getTimeStamp()));
endPoint = base;
endBranch = base.getBranch();
}
result.addFirst(new CDOChangeSetSegment(startBranch, startPoint.getTimeStamp(), endPoint.getTimeStamp()));
return result.toArray(new CDOChangeSetSegment[result.size()]);
}
}
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