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/**
* Copyright (c) 2004 - 2010 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:
* Martin Taal - copied from CDORevisionPropertyHandler and adapted
* Eike Stepper - maintenance
*/
package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.id.CDOIDExternal;
import org.eclipse.emf.cdo.common.id.CDOIDUtil;
import org.eclipse.emf.cdo.server.internal.hibernate.HibernateUtil;
import org.hibernate.HibernateException;
/**
* @author Martin Taal
*/
public class CDOReferenceGetter extends CDOPropertyGetter
{
private static final long serialVersionUID = 1L;
public CDOReferenceGetter(CDORevisionTuplizer tuplizer, String propertyName)
{
super(tuplizer, propertyName);
}
@Override
public Object get(Object target) throws HibernateException
{
final Object o = super.get(target);
if (o instanceof CDOID && CDOIDUtil.isNull((CDOID)o))
{
return null;
}
else if (o instanceof CDOIDExternal)
{
return o;
}
else if (o instanceof CDOID)
{
return HibernateUtil.getInstance().getCDORevision((CDOID)o);
}
return o;
}
}
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