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/**
* Copyright (c) 2004 - 2011 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.CDOIDObject;
import org.eclipse.emf.cdo.common.id.CDOIDTemp;
import org.eclipse.emf.cdo.common.model.CDOClassifierRef;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.server.internal.hibernate.HibernateCommitContext;
import org.eclipse.emf.cdo.server.internal.hibernate.HibernateThreadContext;
import org.eclipse.emf.cdo.server.internal.hibernate.HibernateUtil;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.hibernate.HibernateException;
/**
* @author Martin Taal
*/
public class CDOIDPropertyGetter extends CDOPropertyGetter
{
private static final long serialVersionUID = 1L;
public CDOIDPropertyGetter(CDORevisionTuplizer tuplizer, String propertyName)
{
super(tuplizer, propertyName);
}
@Override
public Object get(Object target) throws HibernateException
{
InternalCDORevision revision = (InternalCDORevision)target;
if (!(HibernateUtil.getInstance().getCDOID(revision) instanceof CDOIDObject))
{
if (!isVirtualProperty())
{
final Object value = super.get(target);
// todo: value can be null for generated values?
if (value != null)
{
setCDOID(revision, value);
}
return value;
}
return null;
}
if (isVirtualProperty())
{
return HibernateUtil.getInstance().getIdValue(revision.getID());
}
Object id = super.get(target);
setCDOID(revision, id);
// TODO: does this make sense?
// if (cdoID.getId() == null)
// {
// cdoID.setId((Serializable)id);
// }
return id;
}
private void setCDOID(CDORevision target, Object value)
{
final InternalCDORevision revision = (InternalCDORevision)target;
final CDOID cdoID = HibernateUtil.getInstance().getCDOID(revision);
if (cdoID == null || cdoID instanceof CDOIDTemp)
{
final CDOID newCDOID = HibernateUtil.getInstance().createCDOID(new CDOClassifierRef(revision.getEClass()), value);
revision.setID(newCDOID);
if (HibernateThreadContext.isCommitContextSet())
{
final HibernateCommitContext commitContext = HibernateThreadContext.getCommitContext();
commitContext.setNewID(cdoID, newCDOID);
if (cdoID instanceof CDOIDTemp)
{
commitContext.getCommitContext().addIDMapping(cdoID, newCDOID);
}
}
}
}
@Override
protected boolean isVirtualPropertyAllowed()
{
return true;
}
}
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