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/*
* Copyright (c) 2009-2012 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.spi.common.revision.InternalCDORevision;
import org.hibernate.HibernateException;
import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import java.util.List;
/**
* @author Martin Taal
*/
public class CDOManyAttributeSetter extends CDOPropertySetter
{
private static final long serialVersionUID = 1L;
public CDOManyAttributeSetter(CDORevisionTuplizer tuplizer, String propertyName)
{
super(tuplizer, propertyName);
}
@Override
public void set(Object target, Object value, SessionFactoryImplementor factory) throws HibernateException
{
// Do some checking
if (value instanceof HibernateMoveableListWrapper)
{
super.set(target, ((HibernateMoveableListWrapper)value).getDelegate(), factory);
return;
}
if (!(value instanceof PersistentCollection))
{
throw new IllegalArgumentException("Value is not a PersistentCollection but a " + value.getClass().getName()); //$NON-NLS-1$
}
if (!(value instanceof List<?>))
{
throw new IllegalArgumentException("Value is not a list but a " + value.getClass().getName()); //$NON-NLS-1$
}
// Only set it in the listholder
PersistableListHolder.getInstance().putListMapping(target, getEStructuralFeature(), (PersistentCollection)value);
// check if deep inside the persistentlist there is not already a delegate which is a hibernatemoveable list
// which contains the list which should really be set in the cdorevision
// persistentlist, hibernatemoveablelistwrapper, real list, if so then the real list should be set
final InternalCDORevision revision = (InternalCDORevision)target;
final Object currentValue = revision.getValue(getEStructuralFeature());
if (currentValue == null || !(currentValue instanceof List<?>))
{
@SuppressWarnings("unchecked")
List<Object> valueList = (List<Object>)value;
final WrappedHibernateList whl = new WrappedHibernateList(revision, getEStructuralFeature());
whl.setDelegate(valueList);
super.set(target, whl, factory);
}
}
}
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