/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.dataflow.serialization;
import org.exoplatform.services.jcr.dataflow.ItemState;
import org.exoplatform.services.jcr.dataflow.PlainChangesLog;
import org.exoplatform.services.jcr.dataflow.PlainChangesLogImpl;
import org.exoplatform.services.jcr.dataflow.serialization.ObjectReader;
import org.exoplatform.services.jcr.dataflow.serialization.SerializationConstants;
import org.exoplatform.services.jcr.dataflow.serialization.UnknownClassIdException;
import org.exoplatform.services.jcr.impl.dataflow.SpoolConfig;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Created by The eXo Platform SAS. <br>
* Date:
*
* @author <a href="karpenko.sergiy@gmail.com">Karpenko Sergiy</a>
* @version $Id: PlainChangesLogReader.java 111 2008-11-11 11:11:11Z serg $
*/
public class PlainChangesLogReader
{
/**
* SpoolConfig.
*/
private SpoolConfig spoolConfig;
/**
* Maximum buffer size.
*/
private int maxBufferSize;
/**
* Spool file holder.
*/
private ReaderSpoolFileHolder holder;
/**
* PlainChangesLogReader constructor.
*/
public PlainChangesLogReader(ReaderSpoolFileHolder holder, SpoolConfig spoolConfig)
{
this.spoolConfig = spoolConfig;
this.holder = holder;
}
/**
* Read and set PlainChangesLog data.
*
* @param in
* ObjectReader.
* @return PlainChangesLog object.
* @throws UnknownClassIdException
* If read Class ID is not expected or do not exist.
* @throws IOException
* If an I/O error has occurred.
*/
public PlainChangesLog read(ObjectReader in) throws UnknownClassIdException, IOException
{
int key;
if ((key = in.readInt()) != SerializationConstants.PLAIN_CHANGES_LOG_IMPL)
{
throw new UnknownClassIdException("There is unexpected class [" + key + "]");
}
int eventType = in.readInt();
String sessionId = in.readString();
List<ItemState> items = new ArrayList<ItemState>();
int listSize = in.readInt();
for (int i = 0; i < listSize; i++)
{
ItemStateReader isr = new ItemStateReader(holder, spoolConfig);
ItemState is = isr.read(in);
items.add(is);
}
return new PlainChangesLogImpl(items, sessionId, eventType);
}
}