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 * $Id: JmsTopicSession.java,v 1.2 2005/03/18 03:36:37 tanderson Exp $
44 */
45 package org.exolab.jms.client;
46
47 import javax.jms.JMSException;
48 import javax.jms.Queue;
49 import javax.jms.QueueBrowser;
50 import javax.jms.TemporaryQueue;
51 import javax.jms.Topic;
52 import javax.jms.TopicPublisher;
53 import javax.jms.TopicSession;
54 import javax.jms.TopicSubscriber;
55
56
57 /***
58 * Client implementation of the <code>javax.jms.TopicSession</code> interface.
59 *
60 * @author <a href="mailto:jima@comware.com.au">Jim Alateras</a>
61 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
62 * @version $Revision: 1.2 $ $Date: 2005/03/18 03:36:37 $
63 */
64 class JmsTopicSession
65 extends JmsSession
66 implements TopicSession {
67
68 /***
69 * Construct a new <code>JmsTopicSession</code>.
70 *
71 * @param connection the owner of the session
72 * @param transacted if <code>true</code>, the session is transacted.
73 * @param ackMode indicates whether the consumer or the client will
74 * acknowledge any messages it receives. This parameter
75 * will be ignored if the session is transacted. Legal
76 * values are <code>Session.AUTO_ACKNOWLEDGE</code>,
77 * <code>Session.CLIENT_ACKNOWLEDGE</code> and
78 * <code>Session.DUPS_OK_ACKNOWLEDGE</code>.
79 * @throws JMSException if the session cannot be created
80 */
81 public JmsTopicSession(JmsTopicConnection connection, boolean transacted,
82 int ackMode) throws JMSException {
83 super(connection, transacted, ackMode);
84 }
85
86 /***
87 * Create a non-durable subscriber for the specified topic.
88 *
89 * @param topic the topic to subscriber to
90 * @return the new subscriber
91 * @throws JMSException if the subscriber cannot be created
92 */
93 public TopicSubscriber createSubscriber(Topic topic) throws JMSException {
94 return createSubscriber(topic, null, false);
95 }
96
97 /***
98 * Create a non-durable subscriber for the specified topic.
99 *
100 * @param topic the topic to subscriber to
101 * @param selector the message selector to filter messages. May be
102 * <code>null</code>
103 * @param noLocal if <code>true</code>, inhibits the delivery of messages
104 * published by its own connection
105 * @return the new subscriber
106 * @throws JMSException if the subscriber cannot be created
107 */
108 public synchronized TopicSubscriber createSubscriber(Topic topic,
109 String selector,
110 boolean noLocal)
111 throws JMSException {
112 long consumerId = allocateConsumer(topic, selector, noLocal);
113 JmsTopicSubscriber subscriber = new JmsTopicSubscriber(this,
114 consumerId,
115 topic, selector,
116 noLocal);
117 addConsumer(subscriber);
118 return subscriber;
119 }
120
121 /***
122 * Create a publisher for the specified topic.
123 *
124 * @param topic the topic to publish to, or <code>null</code> if this is an
125 * unidentified producer
126 * @return the new publisher
127 * @throws JMSException if the publisher can't be created
128 */
129 public synchronized TopicPublisher createPublisher(Topic topic)
130 throws JMSException {
131
132 ensureOpen();
133
134 if (topic != null && ((JmsTopic) topic).isWildCard()) {
135 throw new JMSException(
136 "Cannot create a publisher using a wildcard topic");
137 }
138
139 JmsTopicPublisher publisher =
140 new JmsTopicPublisher(this, (JmsTopic) topic);
141 addProducer(publisher);
142
143 return publisher;
144 }
145
146 /***
147 * This implementation always throws <code>IllegalStateException</code>, as
148 * per section 4.11 of the JMS specification.
149 *
150 * @throws IllegalStateException if invoked
151 */
152 public QueueBrowser createBrowser(Queue queue, String messageSelector)
153 throws JMSException {
154 throw new IllegalStateException("Invalid operation for TopicSession");
155 }
156
157 /***
158 * This implementation always throws <code>IllegalStateException</code>, as
159 * per section 4.11 of the JMS specification
160 *
161 * @throws IllegalStateException if invoked.
162 */
163 public TemporaryQueue createTemporaryQueue() throws JMSException {
164 throw new IllegalStateException("Invalid operation for TopicSession");
165 }
166
167 /***
168 * This implementation always throws <code>IllegalStateException</code>, as
169 * per section 4.11 of the JMS specification
170 *
171 * @throws IllegalStateException if invoked.
172 */
173 public Queue createQueue(String queueName) throws JMSException {
174 throw new IllegalStateException("Invalid operation for TopicSession");
175 }
176
177 }
178