Package org.hibernate.persister.collection

Source Code of org.hibernate.persister.collection.NamedQueryCollectionInitializer

* 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.
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package org.hibernate.persister.collection;


import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.internal.AbstractQueryImpl;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.loader.collection.CollectionInitializer;

import org.jboss.logging.Logger;

* A wrapper around a named query.
* @author Gavin King
public final class NamedQueryCollectionInitializer implements CollectionInitializer {

    private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class,

    private final String queryName;
  private final CollectionPersister persister;

  public NamedQueryCollectionInitializer(String queryName, CollectionPersister persister) {
    this.queryName = queryName;
    this.persister = persister;

  public void initialize(Serializable key, SessionImplementor session)
  throws HibernateException {

        LOG.debugf("Initializing collection: %s using named query: %s", persister.getRole(), queryName);

    //TODO: is there a more elegant way than downcasting?
    AbstractQueryImpl query = (AbstractQueryImpl) session.getNamedSQLQuery(queryName);
    if ( query.getNamedParameters().length>0 ) {
    else {
      query.setParameter( 0, key, persister.getKeyType() );
    query.setCollectionKey( key )
        .setFlushMode( FlushMode.MANUAL )


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