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/***************************************************************************
* Copyright (c) 2004 - 2008 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
* Simon McDuff - https://bugs.eclipse.org/bugs/show_bug.cgi?id=210868
**************************************************************************/
package org.eclipse.emf.cdo.server;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.model.CDOFeature;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import java.util.List;
/**
* @author Eike Stepper
*/
public interface IStoreChunkReader
{
public IStoreReader getStoreReader();
public CDORevision getRevision();
public CDOFeature getFeature();
public void addSimpleChunk(int index);
public void addRangedChunk(int fromIndex, int toIndex);
public List<Chunk> executeRead();
/**
* @author Eike Stepper
*/
public class Chunk
{
private int startIndex;
private Object ids;
public Chunk(int startIndex)
{
this.startIndex = startIndex;
}
public Chunk(int startIndex, int size)
{
this(startIndex);
ids = new CDOID[size];
}
public int getStartIndex()
{
return startIndex;
}
public int size()
{
if (ids instanceof CDOID || ids == null)
{
return 1;
}
return ((CDOID[])ids).length;
}
public CDOID getID(int indexInChunk)
{
if (ids instanceof CDOID || ids == null)
{
if (indexInChunk == 0)
{
return (CDOID)ids;
}
throw new ArrayIndexOutOfBoundsException(indexInChunk);
}
return ((CDOID[])ids)[indexInChunk];
}
public void addID(int indexInChunk, CDOID id)
{
if (ids instanceof CDOID || ids == null)
{
if (indexInChunk == 0)
{
ids = id;
return;
}
throw new ArrayIndexOutOfBoundsException(indexInChunk);
}
((CDOID[])ids)[indexInChunk] = id;
}
}
}
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