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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.cdo.server.internal.db;
import org.eclipse.emf.cdo.protocol.CDOID;
import org.eclipse.emf.cdo.protocol.model.CDOClass;
import org.eclipse.emf.cdo.protocol.model.CDOClassRef;
import org.eclipse.emf.cdo.server.db.IMapping;
/**
* @author Eike Stepper
*/
public class VerticalMappingStrategy extends MappingStrategy
{
private RootMapping rootMapping;
public VerticalMappingStrategy()
{
throw new UnsupportedOperationException();
}
public String getType()
{
return "vertical";
}
public boolean hasEfficientTypeLookup()
{
return true;
}
public CDOClassRef readObjectType(CDOID id)
{
return null;
}
public RootMapping getRootMapping()
{
if (rootMapping == null)
{
rootMapping = new RootMapping(this);
}
return rootMapping;
}
@Override
protected IMapping createMapping(CDOClass cdoClass)
{
return new VerticalMapping(this, cdoClass);
}
}
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