MessageAcks


1   /*
2    * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3    * Copyright (C) 2001 - ScalAgent Distributed Technologies
4    * Copyright (C) 1996 - Dyade
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   * 
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   * 
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA.
20   *
21   * Initial developer(s): Frederic Maistre (INRIA)
22   * Contributor(s):
23   */
24  package org.objectweb.joram.client.jms;
25  
26  import java.util.Vector  ;
27  
28  /**
29   * A <code>MessageAcks</code> instance holds the identifiers of messages to
30   * acknowledge on a queue or on a proxy subscription.
31   */
32  class MessageAcks
33  {
34    /** The vector of messages identifiers. */
35    private Vector   ids;
36    /** <code>true</code> if the messages to acknowledge are on a queue. */
37    private boolean queueMode;
38  
39    /**
40     * Constructs a <code>MessageAcks</code> instance.
41     *
42     * @param queueMode  <code>true</code> for queue messages.
43     */
44    MessageAcks(boolean queueMode)
45    {
46      this.queueMode = queueMode;
47      ids = new Vector  ();
48    }
49  
50    /** Adds a message identifier. */
51    void addId(String   id)
52    {
53      ids.add(id);
54    }
55  
56    /** Adds a vector of message identifiers. */
57    void addIds(Vector   ids)
58    {
59      this.ids.addAll(ids);
60    }
61  
62    /** Returns the vector of message identifiers. */
63    Vector   getIds()
64    {
65      return ids;
66    }
67  
68    /**
69     * Returns <code>true</code> if the messages to acknowledge are on a queue.
70     */
71    boolean getQueueMode()
72    {
73      return queueMode;
74    }
75  
76    public String   toString() {
77      return '(' + super.toString() +
78        ",ids=" + ids +
79        ",queueMode=" + queueMode + ')';
80    }
81  } 
82
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