1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2000-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 */
43 package org.exolab.jms.client;
44
45 import javax.jms.JMSException;
46 import javax.jms.Queue;
47 import javax.jms.QueueReceiver;
48 import javax.jms.QueueSender;
49 import javax.jms.QueueSession;
50 import javax.jms.TemporaryTopic;
51 import javax.jms.Topic;
52 import javax.jms.TopicSubscriber;
53
54
55 /***
56 * Client implementation of the <code>javax.jms.QueueSession</code> interface.
57 *
58 * @author <a href="mailto:jima@exoffice.com">Jim Alateras</a>
59 * @version $Revision: 1.2 $ $Date: 2005/03/18 03:36:37 $
60 */
61 class JmsQueueSession
62 extends JmsSession
63 implements QueueSession {
64
65 /***
66 * Construct a new <code>JmsQueueSession</code>.
67 *
68 * @param connection the owner of the session
69 * @param transacted if <code>true</code>, the session is transacted.
70 * @param ackMode indicates whether the consumer or the client will
71 * acknowledge any messages it receives. This parameter
72 * will be ignored if the session is transacted. Legal
73 * values are <code>Session.AUTO_ACKNOWLEDGE</code>,
74 * <code>Session.CLIENT_ACKNOWLEDGE</code> and
75 * <code>Session.DUPS_OK_ACKNOWLEDGE</code>.
76 * @throws JMSException if the session cannot be created
77 */
78 public JmsQueueSession(JmsQueueConnection connection, boolean transacted,
79 int ackMode) throws JMSException {
80 super(connection, transacted, ackMode);
81 }
82
83 /***
84 * Create a receiver to receive messages from the specified queue.
85 *
86 * @param queue the queue to access
87 * @return the new receiver
88 * @throws JMSException if the receiver cannot be created
89 */
90 public QueueReceiver createReceiver(Queue queue) throws JMSException {
91 return createReceiver(queue, null);
92 }
93
94 /***
95 * Create a receiver to receive messages from the specified queue.
96 *
97 * @param queue the queue to access
98 * @param selector the message selector to filter messages. May be
99 * <code>null</code>
100 * @return the new receiver
101 * @throws JMSException if the receiver cannot be created
102 */
103 public QueueReceiver createReceiver(Queue queue, String selector)
104 throws JMSException {
105 long consumerId = allocateConsumer(queue, selector, false);
106 JmsQueueReceiver receiver = new JmsQueueReceiver(this, consumerId,
107 queue, selector);
108 addConsumer(receiver);
109 return receiver;
110 }
111
112 /***
113 * Create a sender to send messages to the specified queue.
114 *
115 * @param queue the queue to access, or <code>null</code> if this is an
116 * unidentified producer
117 * @return the new sender
118 * @throws JMSException if the sender can't be created
119 */
120 public QueueSender createSender(Queue queue) throws JMSException {
121 ensureOpen();
122 JmsQueueSender sender = new JmsQueueSender(this, (JmsQueue) queue);
123 addProducer(sender);
124 return sender;
125 }
126
127 /***
128 * This implementation always throws <code>IllegalStateException</code>, as
129 * per section 4.11 of the JMS specification.
130 *
131 * @throws IllegalStateException if invoked
132 */
133 public TopicSubscriber createDurableSubscriber(Topic topic, String name,
134 String messageSelector,
135 boolean noLocal)
136 throws JMSException {
137 throw new IllegalStateException("Invalid operation for QueueSession");
138 }
139
140 /***
141 * This implementation always throws <code>IllegalStateException</code>, as
142 * per section 4.11 of the JMS specification.
143 *
144 * @throws IllegalStateException if invoked
145 */
146 public Topic createTopic(String topicName) throws JMSException {
147 throw new IllegalStateException("Invalid operation for QueueSession");
148 }
149
150 /***
151 * This implementation always throws <code>IllegalStateException</code>, as
152 * per section 4.11 of the JMS specification.
153 *
154 * @throws IllegalStateException if invoked
155 */
156 public TemporaryTopic createTemporaryTopic() throws JMSException {
157 throw new IllegalStateException("Invalid operation for QueueSession");
158 }
159
160 /***
161 * This implementation always throws <code>IllegalStateException</code>, as
162 * per section 4.11 of the JMS specification.
163 *
164 * @throws IllegalStateException if invoked
165 */
166 public void unsubscribe(String name) throws JMSException {
167 throw new IllegalStateException("Invalid operation for QueueSession");
168 }
169
170 }