org.hibernate.event.internal.FlushVisitor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.event.internal;
import org.hibernate.HibernateException;
import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.engine.internal.Collections;
import org.hibernate.event.spi.EventSource;
import org.hibernate.type.CollectionType;
/**
* Process collections reachable from an entity. This
* visitor assumes that wrap was already performed for
* the entity.
*
* @author Gavin King
*/
public class FlushVisitor extends AbstractVisitor {
private Object owner;
Object processCollection(Object collection, CollectionType type)
throws HibernateException {
if (collection==CollectionType.UNFETCHED_COLLECTION) {
return null;
}
if (collection!=null) {
final PersistentCollection coll;
if ( type.hasHolder() ) {
coll = getSession().getPersistenceContext().getCollectionHolder(collection);
}
else {
coll = (PersistentCollection) collection;
}
Collections.processReachableCollection( coll, type, owner, getSession() );
}
return null;
}
FlushVisitor(EventSource session, Object owner) {
super(session);
this.owner = owner;
}
}