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.tide.data;
023    
024    import java.io.Externalizable;
025    import java.io.IOException;
026    import java.io.ObjectInput;
027    import java.io.ObjectOutput;
028    
029    
030    /**
031     * @author William DRAI
032     */
033    public class CollectionChange implements Externalizable {
034    
035        private static final long serialVersionUID = 1L;
036    
037        private int type;
038        private Object key;
039        private Object value;
040            
041        
042        public CollectionChange() {
043        }
044        
045        public CollectionChange(int type, Object key, Object value) {
046            this.type = type;
047            this.key = key;
048            this.value = value;
049        }
050    
051            public int getType() {
052                    return type;
053            }
054    
055            public Object getKey() {
056                    return key;
057            }
058    
059            public Object getValue() {
060                    return value;
061            }
062            
063    //      public String toString() {
064    //              return (type == 1 ? "add" : (type == -1 ? "remove" : "update"))
065    //                              + "@" + key + "=" + ChangeSet.valueToString(value);
066    //      }
067    
068            public void writeExternal(ObjectOutput out) throws IOException {
069                    out.writeObject(type);
070                    out.writeObject(key);
071                    out.writeObject(value);
072            }
073    
074            public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
075                    type = ((Integer)in.readObject());
076                    key = in.readObject();
077                    value = in.readObject();
078            }
079    }