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/**
* <copyright>
*
* Copyright (c) 2005, 2006, 2007, 2008 Springsite BV (The Netherlands) 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
* </copyright>
*
* $Id: CDOSyntheticVersionPropertyHandler.java,v 1.2 2008-04-28 08:30:39 estepper Exp $
*/
package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer;
import org.eclipse.emf.cdo.internal.protocol.revision.InternalCDORevision;
import org.eclipse.emf.cdo.server.internal.hibernate.HibernateUtil;
import org.hibernate.HibernateException;
import org.hibernate.PropertyNotFoundException;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.property.Getter;
import org.hibernate.property.PropertyAccessor;
import org.hibernate.property.Setter;
import java.lang.reflect.Method;
import java.util.Map;
/**
* Reads the version from the internal version cache.
*
* @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
* @version $Revision: 1.2 $
*/
@SuppressWarnings("unchecked")
public class CDOSyntheticVersionPropertyHandler implements Getter, Setter, PropertyAccessor
{
private static final long serialVersionUID = 1L;
public CDOSyntheticVersionPropertyHandler()
{
}
public Getter getGetter(Class theClass, String propertyName) throws PropertyNotFoundException
{
return this;
}
public Setter getSetter(Class theClass, String propertyName) throws PropertyNotFoundException
{
return this;
}
public Object get(Object owner) throws HibernateException
{
InternalCDORevision revision = HibernateUtil.getInstance().getCDORevision(owner);
if (revision == null)
{
return null;
}
return revision.getVersion();
}
/**
* Reads the version from the versioncache
*/
public Object getForInsert(Object owner, Map mergeMap, SessionImplementor session) throws HibernateException
{
return get(owner);
}
public Method getMethod()
{
return null;
}
public String getMethodName()
{
return null;
}
/** Returns Integer.class */
public Class getReturnType()
{
return Integer.class;
}
/** Sets the version in the internal version cache */
public void set(Object target, Object value, SessionFactoryImplementor factory) throws HibernateException
{
InternalCDORevision revision = HibernateUtil.getInstance().getCDORevision(target);
revision.setVersion(((Number)value).intValue());
}
}
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