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     */
022    package org.granite.hibernate4.jmf;
023    
024    import java.io.IOException;
025    import java.lang.reflect.InvocationTargetException;
026    import java.util.Comparator;
027    import java.util.TreeMap;
028    
029    import org.granite.messaging.jmf.ExtendedObjectInput;
030    import org.granite.messaging.jmf.persistence.JMFPersistentCollectionSnapshot;
031    import org.granite.messaging.persistence.PersistentCollectionSnapshot;
032    import org.hibernate.collection.internal.PersistentSortedMap;
033    
034    /**
035     * @author Franck WOLFF
036     */
037    public class PersistentSortedMapCodec extends AbstractPersistentCollectionCodec<PersistentSortedMap> {
038    
039            public PersistentSortedMapCodec() {
040                    super(PersistentSortedMap.class);
041            }
042    
043            public PersistentSortedMap 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 PersistentSortedMap(null);
053                    
054                    Comparator<? super Object> comparator = snapshot.newComparator(in);
055                    return new PersistentSortedMap(null, new TreeMap<Object, Object>(comparator));
056            }
057    }