/*
* 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.action.internal;
import java.io.Serializable;
import org.hibernate.HibernateException;
import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.event.service.spi.EventListenerGroup;
import org.hibernate.event.spi.EventType;
import org.hibernate.event.spi.PostCollectionRecreateEvent;
import org.hibernate.event.spi.PostCollectionRecreateEventListener;
import org.hibernate.event.spi.PreCollectionRecreateEvent;
import org.hibernate.event.spi.PreCollectionRecreateEventListener;
import org.hibernate.persister.collection.CollectionPersister;
/**
* The action for recreating a collection
*/
public final class CollectionRecreateAction extends CollectionAction {
/**
* Constructs a CollectionRecreateAction
*
* @param collection The collection being recreated
* @param persister The collection persister
* @param id The collection key
* @param session The session
*/
public CollectionRecreateAction(
final PersistentCollection collection,
final CollectionPersister persister,
final Serializable id,
final SessionImplementor session) {
super( persister, collection, id, session );
}
@Override
public void execute() throws HibernateException {
// this method is called when a new non-null collection is persisted
// or when an existing (non-null) collection is moved to a new owner
final PersistentCollection collection = getCollection();
preRecreate();
getPersister().recreate( collection, getKey(), getSession() );
getSession().getPersistenceContext().getCollectionEntry( collection ).afterAction( collection );
evict();
postRecreate();
if ( getSession().getFactory().getStatistics().isStatisticsEnabled() ) {
getSession().getFactory().getStatisticsImplementor().recreateCollection( getPersister().getRole() );
}
}
private void preRecreate() {
final EventListenerGroup<PreCollectionRecreateEventListener> listenerGroup = listenerGroup( EventType.PRE_COLLECTION_RECREATE );
if ( listenerGroup.isEmpty() ) {
return;
}
final PreCollectionRecreateEvent event = new PreCollectionRecreateEvent( getPersister(), getCollection(), eventSource() );
for ( PreCollectionRecreateEventListener listener : listenerGroup.listeners() ) {
listener.onPreRecreateCollection( event );
}
}
private void postRecreate() {
final EventListenerGroup<PostCollectionRecreateEventListener> listenerGroup = listenerGroup( EventType.POST_COLLECTION_RECREATE );
if ( listenerGroup.isEmpty() ) {
return;
}
final PostCollectionRecreateEvent event = new PostCollectionRecreateEvent( getPersister(), getCollection(), eventSource() );
for ( PostCollectionRecreateEventListener listener : listenerGroup.listeners() ) {
listener.onPostRecreateCollection( event );
}
}
}