EDIT

/**

* Copyright (C) 2009 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/ 

package eu.etaxonomy.cdm.model.common;

import java.util.Iterator;

import java.util.Map;

import org.hibernate.HibernateException;

import org.hibernate.collection.PersistentCollection;

import org.hibernate.engine.SessionImplementor;

import org.hibernate.persister.collection.CollectionPersister;

import org.hibernate.usertype.UserCollectionType;

public class PersistentMultiLanguageTextType implements UserCollectionType {

	public PersistentMultiLanguageTextType() {

	}

	public boolean contains(Object collection, Object obj) {

		Map map = (Map) collection;

		return map.containsValue(obj);

	}

	public Iterator getElementsIterator(Object collection) {

		return ( (java.util.Map) collection ).values().iterator();

	}

	public Object indexOf(Object collection, Object element) {

		Iterator iter = ( (Map) collection ).entrySet().iterator();

		while ( iter.hasNext() ) {

			Map.Entry me = (Map.Entry) iter.next();

			//TODO: proxies!

			if ( me.getValue()==element ) return me.getKey();

		}

		return null;

	}

	public Object instantiate(int anticipatedSize) {

		return anticipatedSize <= 0 

	       ? new MultilanguageText()

	       : new MultilanguageText( anticipatedSize + (int)( anticipatedSize * .75f ), .75f );

	}

	public PersistentCollection instantiate(SessionImplementor session, CollectionPersister persister) throws HibernateException {

		return new PersistentMultiLanguageText();

	}

	public Object replaceElements(Object original, Object target, CollectionPersister collectionPersister,

			Object owner,Map copyCache,	SessionImplementor sessionImplementor) throws HibernateException {

		java.util.Map result = (java.util.Map) target;

		result.clear();

		Iterator iter = ( (java.util.Map) original ).entrySet().iterator();

		while ( iter.hasNext() ) {

			java.util.Map.Entry me = (java.util.Map.Entry) iter.next();

			Object key = collectionPersister.getIndexType().replace( me.getKey(), null, sessionImplementor, owner, copyCache );

			Object value = collectionPersister.getElementType().replace( me.getValue(), null, sessionImplementor, owner, copyCache );

			result.put(key, value);

		}

		return result;

	}

	public PersistentCollection wrap(SessionImplementor sessionImplementor, Object collection) {

		return new PersistentMultiLanguageText( sessionImplementor, (MultilanguageText) collection );

	}

}