/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF 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.apache.geode.internal.jta;
/**
* <p>
* XidImpl: A JTA compatible implementation of Xid
* </p>
*
* @since GemFire 4.0
*/
import javax.transaction.xa.*;
public class XidImpl implements Xid {
/**
* The format id will be a constant
*/
private int formatId;
/**
* This will be the global transaction identifier;
*/
protected byte gtrid[];
/**
* bqual will be a constant since we are only supporting one resource manager presently
*/
private byte bqual[];
/**
* Construct a new XidImpl //Asif .: Constructor is made private
*/
private XidImpl(int formatId, byte gtrid[], byte bqual[]) {
this.formatId = formatId;
this.gtrid = gtrid;
this.bqual = bqual;
}
/**
* Returns the FormatId
*
* @see javax.transaction.xa.Xid#getFormatId()
*/
public int getFormatId() {
return formatId;
}
/**
* Returns the BranchQualifier
*
* @see javax.transaction.xa.Xid#getBranchQualifier()
*/
public byte[] getBranchQualifier() {
return bqual;
}
/**
* Returns the GlobalTransactionId
*
* @see javax.transaction.xa.Xid#getGlobalTransactionId()
*/
public byte[] getGlobalTransactionId() {
return gtrid;
}
/**
* A function to create a new Xid.
*/
public static Xid createXid(byte[] GTid) throws XAException {
byte[] globalID = new byte[GTid.length];
byte[] branchID = new byte[1];
// we are supporting only one RM So the branch ID is a constant
branchID[0] = (byte) 1;
System.arraycopy(GTid, 0, globalID, 0, GTid.length);
Xid xid = new XidImpl(0x1234, globalID, branchID);
return xid;
}
}