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/***************************************************************************
* Copyright (c) 2004-2007 Eike Stepper, Germany.
* 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.internal.cdo;
import org.eclipse.emf.cdo.CDOView;
import org.eclipse.emf.cdo.internal.protocol.revision.CDORevisionImpl;
import org.eclipse.emf.cdo.protocol.CDOID;
import org.eclipse.emf.cdo.protocol.revision.CDORevisionResolver;
import java.text.MessageFormat;
import java.util.Date;
/**
* @author Eike Stepper
*/
public class CDOViewImpl implements CDOView
{
private CDOAdapterImpl adapter;
private long timeStamp;
public CDOViewImpl(CDOAdapterImpl adapter, long timeStamp)
{
this.adapter = adapter;
this.timeStamp = timeStamp;
}
public CDOAdapterImpl getAdapter()
{
return adapter;
}
public long getTimeStamp()
{
return timeStamp;
}
public boolean isActual()
{
return timeStamp == UNSPECIFIED_DATE;
}
public boolean isHistorical()
{
return !isActual();
}
public CDORevisionImpl resolve(CDOID id)
{
CDORevisionResolver revisionManager = adapter.getSession().getRevisionManager();
if (isActual())
{
return (CDORevisionImpl)revisionManager.getActualRevision(id);
}
return (CDORevisionImpl)revisionManager.getHistoricalRevision(id, timeStamp);
}
@Override
public String toString()
{
if (isActual())
{
return "ActualView";
}
return MessageFormat.format("HistoricalView({0})", new Date(timeStamp));
}
}
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