LocalTransactionIDGenerator


1   /*
2    * Copyright 2002 by
3    * <a HREF="http://www.coridan.com">Coridan</a>
4    * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5    *
6    * The contents of this file are subject to the Mozilla Public License Version
7    * 1.1 (the "License"); you may not use this file except in compliance with the
8    * License.  You may obtain a copy of the License at
9    * http://www.mozilla.org/MPL/
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11   * Software distributed under the License is distributed on an "AS IS" basis,
12   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13   * for the specific language governing rights and limitations under the
14   * License.
15   *
16   * The Original Code is "MantaRay" (TM).
17   *
18   * The Initial Developer of the Original Code is Coridan.
19   * Portions created by the Initial Developer are Copyright (C) 2006
20   * Coridan Inc.  All Rights Reserved.
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23   * code where applicable.
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25   * Alternatively, the contents of this file may be used under the terms of the
26   * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27   * provisions of LGPL are applicable instead of those above.  If you wish to
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33   * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34   
35   *
36   * This library is free software; you can redistribute it and/or modify it
37   * under the terms of the MPL as stated above or under the terms of the GNU
38   * Lesser General Public License as published by the Free Software Foundation;
39   * either version 2.1 of the License, or any later version.
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41   * This library is distributed in the hope that it will be useful, but WITHOUT
42   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43   * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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45   */
46  package org.mr.api.jms;
47  
48  import org.mr.MantaAgent;
49  
50  /**
51   * Unique ID generator for transactions
52   */
53  public class LocalTransactionIDGenerator {
54      private long instanceCount = 0;
55      String   prefix;
56      
57      public LocalTransactionIDGenerator(String   sessionID) {
58          prefix = MantaAgent.getInstance().getAgentName()+"["+sessionID+"]";
59      }
60      
61      public synchronized String   nextID() {
62          return prefix+(++instanceCount);
63      }
64  }
65
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