org.hibernate.collection.PersistentArrayHolder Maven / Gradle / Ivy
/*
* 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.collection;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.loader.CollectionAliases;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.persister.collection.CollectionPersister;
import org.hibernate.type.Type;
/**
* A persistent wrapper for an array. Lazy initialization
* is NOT supported. Use of Hibernate arrays is not really
* recommended.
*
* @author Gavin King
*/
public class PersistentArrayHolder extends AbstractPersistentCollection {
protected Object array;
private static final Logger log = LoggerFactory.getLogger(PersistentArrayHolder.class);
//just to help out during the load (ugly, i know)
private transient Class elementClass;
private transient java.util.List tempList;
public PersistentArrayHolder(SessionImplementor session, Object array) {
super(session);
this.array = array;
setInitialized();
}
public Serializable getSnapshot(CollectionPersister persister) throws HibernateException {
EntityMode entityMode = getSession().getEntityMode();
int length = /*(array==null) ? tempList.size() :*/ Array.getLength(array);
Serializable result = (Serializable) Array.newInstance( persister.getElementClass(), length );
for ( int i=0; i arraySize ) {
for ( int i=arraySize; i= Array.getLength(sn) || Array.get(sn, i)==null );
}
public boolean needsUpdating(Object entry, int i, Type elemType) throws HibernateException {
Serializable sn = getSnapshot();
return i