/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.loader.collection;
import java.io.Serializable;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.LoadQueryInfluencers;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.loader.OuterJoinLoader;
import org.hibernate.persister.collection.QueryableCollection;
import org.hibernate.type.Type;
Superclass for loaders that initialize collections
Author: Gavin King See Also: - OneToManyLoader
- BasicCollectionLoader
/**
* Superclass for loaders that initialize collections
*
* @see OneToManyLoader
* @see BasicCollectionLoader
* @author Gavin King
*/
public class CollectionLoader extends OuterJoinLoader implements CollectionInitializer {
private final QueryableCollection collectionPersister;
public CollectionLoader(
QueryableCollection collectionPersister,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) {
super( factory, loadQueryInfluencers );
this.collectionPersister = collectionPersister;
}
protected QueryableCollection collectionPersister() {
return collectionPersister;
}
protected boolean isSubselectLoadingEnabled() {
return hasSubselectLoadableCollections();
}
public void initialize(Serializable id, SessionImplementor session)
throws HibernateException {
loadCollection( session, id, getKeyType() );
}
protected Type getKeyType() {
return collectionPersister.getKeyType();
}
public String toString() {
return getClass().getName() + '(' + collectionPersister.getRole() + ')';
}
}