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.hibernate4.jmf;
023
024import java.io.IOException;
025import java.lang.reflect.InvocationTargetException;
026import java.util.Comparator;
027import java.util.TreeSet;
028
029import org.granite.messaging.jmf.ExtendedObjectInput;
030import org.granite.messaging.jmf.persistence.JMFPersistentCollectionSnapshot;
031import org.granite.messaging.persistence.PersistentCollectionSnapshot;
032import org.hibernate.collection.internal.PersistentSortedSet;
033
034/**
035 * @author Franck WOLFF
036 */
037public class PersistentSortedSetCodec extends AbstractPersistentCollectionCodec<PersistentSortedSet> {
038
039        public PersistentSortedSetCodec() {
040                super(PersistentSortedSet.class);
041        }
042
043        public PersistentSortedSet newInstance(ExtendedObjectInput in, String className)
044                        throws IOException, ClassNotFoundException, InstantiationException,
045                        IllegalAccessException, InvocationTargetException,
046                        SecurityException, NoSuchMethodException {
047                
048                PersistentCollectionSnapshot snapshot = new JMFPersistentCollectionSnapshot(true, null);
049                snapshot.readInitializationData(in);
050                
051                if (!snapshot.isInitialized())
052                        return new PersistentSortedSet(null);
053                
054                Comparator<? super Object> comparator = snapshot.newComparator(in);
055                return new PersistentSortedSet(null, new TreeSet<Object>(comparator));
056        }
057}