/*
* Copyright 2009 Red Hat, Inc.
* Red Hat licenses this file to you under the Apache License, version
* 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.hornetq.utils;
import javax.transaction.xa.Xid;
import org.hornetq.api.core.HornetQBuffer;
import org.hornetq.core.transaction.impl.XidImpl;
/**
* @author <a href="mailto:jmesnil@redhat.com">Jeff Mesnil</a>
*
*
*/
public class XidCodecSupport
{
// Constants -----------------------------------------------------
// Attributes ----------------------------------------------------
// Static --------------------------------------------------------
public static void encodeXid(final Xid xid, final HornetQBuffer out)
{
out.writeInt(xid.getFormatId());
out.writeInt(xid.getBranchQualifier().length);
out.writeBytes(xid.getBranchQualifier());
out.writeInt(xid.getGlobalTransactionId().length);
out.writeBytes(xid.getGlobalTransactionId());
}
public static Xid decodeXid(final HornetQBuffer in)
{
int formatID = in.readInt();
byte[] bq = new byte[in.readInt()];
in.readBytes(bq);
byte[] gtxid = new byte[in.readInt()];
in.readBytes(gtxid);
Xid xid = new XidImpl(bq, formatID, gtxid);
return xid;
}
public static int getXidEncodeLength(final Xid xid)
{
return DataConstants.SIZE_INT * 3 + xid.getBranchQualifier().length + xid.getGlobalTransactionId().length;
}
// Constructors --------------------------------------------------
// Public --------------------------------------------------------
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}