001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2013 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.hibernate.jmf;
022    
023    import java.io.IOException;
024    import java.lang.reflect.InvocationTargetException;
025    import java.util.HashMap;
026    
027    import org.granite.messaging.jmf.ExtendedObjectInput;
028    import org.granite.messaging.jmf.persistence.JMFPersistentCollectionSnapshot;
029    import org.granite.messaging.persistence.PersistentCollectionSnapshot;
030    import org.hibernate.collection.PersistentMap;
031    
032    /**
033     * @author Franck WOLFF
034     */
035    public class PersistentMapCodec extends AbstractPersistentCollectionCodec<PersistentMap> {
036    
037            public PersistentMapCodec() {
038                    super(PersistentMap.class);
039            }
040    
041            public PersistentMap newInstance(ExtendedObjectInput in, String className)
042                            throws IOException, ClassNotFoundException, InstantiationException,
043                            IllegalAccessException, InvocationTargetException,
044                            SecurityException, NoSuchMethodException {
045                    
046                    PersistentCollectionSnapshot snapshot = new JMFPersistentCollectionSnapshot();
047                    snapshot.readInitializationData(in);
048                    return (snapshot.isInitialized() ? new PersistentMap(null, new HashMap<Object, Object>()) : new PersistentMap(null));
049            }
050    }