001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.hibernate.jmf;
023
024import java.io.IOException;
025import java.lang.reflect.InvocationTargetException;
026import java.util.HashSet;
027
028import org.granite.messaging.jmf.ExtendedObjectInput;
029import org.granite.messaging.jmf.persistence.JMFPersistentCollectionSnapshot;
030import org.granite.messaging.persistence.PersistentCollectionSnapshot;
031import org.hibernate.collection.PersistentSet;
032
033/**
034 * @author Franck WOLFF
035 */
036public class PersistentSetCodec extends AbstractPersistentCollectionCodec<PersistentSet> {
037
038        public PersistentSetCodec() {
039                super(PersistentSet.class);
040        }
041
042        public PersistentSet newInstance(ExtendedObjectInput in, String className)
043                        throws IOException, ClassNotFoundException, InstantiationException,
044                        IllegalAccessException, InvocationTargetException,
045                        SecurityException, NoSuchMethodException {
046                
047                PersistentCollectionSnapshot snapshot = new JMFPersistentCollectionSnapshot(null);
048                snapshot.readInitializationData(in);
049                return (snapshot.isInitialized() ? new PersistentSet(null, new HashSet<Object>()) : new PersistentSet(null));
050        }
051}