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Java > Open Source Codes > org > exolab > jms > client > JmsTopicSession


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 JavaDoc;
48 import javax.jms.Queue JavaDoc;
49 import javax.jms.QueueBrowser JavaDoc;
50 import javax.jms.TemporaryQueue JavaDoc;
51 import javax.jms.Topic JavaDoc;
52 import javax.jms.TopicPublisher JavaDoc;
53 import javax.jms.TopicSession JavaDoc;
54 import javax.jms.TopicSubscriber JavaDoc;
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 JavaDoc {
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 JavaDoc {
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 JavaDoc createSubscriber(Topic JavaDoc topic) throws JMSException JavaDoc {
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 JavaDoc createSubscriber(Topic JavaDoc topic,
109                                                          String JavaDoc selector,
110                                                          boolean noLocal)
111             throws JMSException JavaDoc {
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 JavaDoc createPublisher(Topic JavaDoc topic)
130             throws JMSException JavaDoc {
131
132         ensureOpen();
133
134         if (topic != null && ((JmsTopic) topic).isWildCard()) {
135             throw new JMSException JavaDoc(
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 JavaDoc createBrowser(Queue JavaDoc queue, String JavaDoc messageSelector)
153             throws JMSException JavaDoc {
154         throw new IllegalStateException JavaDoc("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 JavaDoc createTemporaryQueue() throws JMSException JavaDoc {
164         throw new IllegalStateException JavaDoc("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 JavaDoc createQueue(String JavaDoc queueName) throws JMSException JavaDoc {
174         throw new IllegalStateException JavaDoc("Invalid operation for TopicSession");
175     }
176
177 }
178
179
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