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Java > Open Source Codes > com > scalagent > kjoram > QueueReceiver


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): Nicolas Tachker (ScalAgent)
23  */
24 package com.scalagent.kjoram;
25
26 import com.scalagent.kjoram.excepts.IllegalStateException;
27 import com.scalagent.kjoram.excepts.JMSException;
28
29
30 public class QueueReceiver extends MessageConsumer
31 {
32   /**
33    * Constructs a receiver.
34    *
35    * @param sess The session the receiver belongs to.
36    * @param queue The queue the receiver consumes on.
37    * @param selector The selector for filtering messages.
38    *
39    * @exception IllegalStateException If the connection is broken.
40    * @exception JMSException If the creation fails for any other reason.
41    */
42   QueueReceiver(QueueSession sess, Queue queue,
43                 String JavaDoc selector) throws JMSException
44   {
45     super(sess, queue, selector);
46   }
47
48   /** Returns a string view of this receiver. */
49   public String JavaDoc toString()
50   {
51     return "QueueRec:" + sess.ident;
52   }
53
54   /**
55    * API method.
56    *
57    * @exception IllegalStateException If the receiver is closed.
58    */
59   public Queue getQueue() throws JMSException
60   {
61     if (closed)
62       throw new IllegalStateException JavaDoc("Forbidden call on a closed receiver.");
63
64     return (Queue) dest;
65   }
66 }
67
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