org.hibernate.collection.PersistentArrayHolder Maven / Gradle / Ivy

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//$Id: PersistentArrayHolder.java 10086 2006-07-05 18:17:27Z [email protected] $
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.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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 Log log = LogFactory.getLog(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