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/*
* Copyright (c) 2010-2013, 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.spi.common.commit;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.id.CDOIDUtil;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.revision.CDORevisionKey;
import org.eclipse.emf.cdo.common.revision.CDORevisionManager;
import org.eclipse.emf.cdo.common.revision.CDORevisionProvider;
import java.text.MessageFormat;
import java.util.Map;
/**
* If the meaning of this type isn't clear, there really should be more of a description here...
*
* @author Eike Stepper
* @since 3.0
*/
public final class CDORevisionAvailabilityInfo implements CDORevisionProvider
{
private final Map<CDOID, CDORevisionKey> availableRevisions = CDOIDUtil.createMap();
private CDOBranchPoint branchPoint;
private CDORevisionManager revisionManager;
/**
* @since 4.6
*/
public CDORevisionAvailabilityInfo(CDOBranchPoint branchPoint, CDORevisionManager revisionManager)
{
this.branchPoint = branchPoint;
this.revisionManager = revisionManager;
}
public CDORevisionAvailabilityInfo(CDOBranchPoint branchPoint)
{
this(branchPoint, null);
}
public CDOBranchPoint getBranchPoint()
{
return branchPoint;
}
/**
* @since 4.6
*/
public void setBranchPoint(CDOBranchPoint branchPoint)
{
this.branchPoint = branchPoint;
}
public Map<CDOID, CDORevisionKey> getAvailableRevisions()
{
return availableRevisions;
}
public void addRevision(CDORevisionKey key)
{
availableRevisions.put(key.getID(), key);
}
public void removeRevision(CDOID id)
{
availableRevisions.remove(id);
}
public boolean containsRevision(CDOID id)
{
return availableRevisions.containsKey(id);
}
public CDORevision getRevision(CDOID id)
{
CDORevision revision = (CDORevision)availableRevisions.get(id);
if (revision == null && revisionManager != null)
{
return revisionManager.getRevision(id, branchPoint, CDORevision.UNCHUNKED, CDORevision.DEPTH_NONE, true);
}
return revision;
}
@Override
public String toString()
{
return MessageFormat.format("CDORevisionAvailabilityInfo[{0} -> {1} ]", branchPoint, availableRevisions.values());
}
}
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