/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.loader.collection;

import org.hibernate.MappingException;
import org.hibernate.engine.spi.LoadQueryInfluencers;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.loader.JoinWalker;
import org.hibernate.persister.collection.QueryableCollection;

import org.jboss.logging.Logger;

Loads one-to-many associations

The collection persister must implement QueryableCOllection. For other collections, create a customized subclass of Loader.
Author:Gavin King
See Also:
  • BasicCollectionLoader
/** * Loads one-to-many associations<br> * <br> * The collection persister must implement <tt>QueryableCOllection<tt>. For * other collections, create a customized subclass of <tt>Loader</tt>. * * @see BasicCollectionLoader * @author Gavin King */
public class OneToManyLoader extends CollectionLoader { private static final CoreMessageLogger LOG = Logger.getMessageLogger( CoreMessageLogger.class, OneToManyLoader.class.getName() ); public OneToManyLoader( QueryableCollection oneToManyPersister, SessionFactoryImplementor session, LoadQueryInfluencers loadQueryInfluencers) throws MappingException { this( oneToManyPersister, 1, session, loadQueryInfluencers ); } public OneToManyLoader( QueryableCollection oneToManyPersister, int batchSize, SessionFactoryImplementor factory, LoadQueryInfluencers loadQueryInfluencers) throws MappingException { this( oneToManyPersister, batchSize, null, factory, loadQueryInfluencers ); } public OneToManyLoader( QueryableCollection oneToManyPersister, int batchSize, String subquery, SessionFactoryImplementor factory, LoadQueryInfluencers loadQueryInfluencers) throws MappingException { super( oneToManyPersister, factory, loadQueryInfluencers ); JoinWalker walker = new OneToManyJoinWalker( oneToManyPersister, batchSize, subquery, factory, loadQueryInfluencers ); initFromWalker( walker ); postInstantiate(); if ( LOG.isDebugEnabled() ) { LOG.debugf( "Static select for one-to-many %s: %s", oneToManyPersister.getRole(), getSQLString() ); } } }