/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* 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.infinispan.marshall.jboss.externalizers;
import net.jcip.annotations.Immutable;
import org.infinispan.commands.write.WriteCommand;
import org.infinispan.marshall.jboss.MarshallUtil;
import org.infinispan.transaction.xa.GlobalTransaction;
import org.infinispan.transaction.TransactionLog;
import org.jboss.marshalling.Creator;
import org.jboss.marshalling.Externalizer;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* TransactionLogExternalizer.
*
* @author Galder Zamarreño
* @since 4.0
*/
@Immutable
public class TransactionLogExternalizer implements Externalizer {
/**
* The serialVersionUID
*/
private static final long serialVersionUID = -7341096933735222157L;
public void writeExternal(Object subject, ObjectOutput output) throws IOException {
TransactionLog.LogEntry le = (TransactionLog.LogEntry) subject;
output.writeObject(le.getTransaction());
WriteCommand[] cmds = le.getModifications();
MarshallUtil.writeUnsignedInt(output, cmds.length);
for (WriteCommand c : cmds)
output.writeObject(c);
}
public Object createExternal(Class<?> subjectType, ObjectInput input, Creator defaultCreator)
throws IOException, ClassNotFoundException {
GlobalTransaction gtx = (GlobalTransaction) input.readObject();
int numCommands = MarshallUtil.readUnsignedInt(input);
WriteCommand[] cmds = new WriteCommand[numCommands];
for (int i = 0; i < numCommands; i++) cmds[i] = (WriteCommand) input.readObject();
return new TransactionLog.LogEntry(gtx, cmds);
}
public void readExternal(Object subject, ObjectInput input) throws IOException,
ClassNotFoundException {
// No-op since the initialisation the creation and read happens during the create phase.
}
}