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1   /**
2    *
3    * Copyright 2003-2004 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  
18  //
19  // This source code implements specifications defined by the Java
20  // Community Process. In order to remain compliant with the specification
21  // DO NOT add / change / or delete method signatures!
22  //
23  
24  package javax.jms;
25  
26  /**
27   * @version $Rev: 46019 $ $Date: 2004-09-14 02:56:06 -0700 (Tue, 14 Sep 2004) $
28   */
29  public class TopicRequestor {
30      private TopicSession session;
31      private Topic topic;
32      private TemporaryTopic temporaryTopic;
33      private TopicPublisher publisher;
34      private TopicSubscriber subscriber;
35  
36      public TopicRequestor(TopicSession session, Topic topic)
37          throws JMSException {
38          super();
39          setSession(session);
40          setTopic(topic);
41          setTemporaryTopic(session.createTemporaryTopic());
42          setPublisher(session.createPublisher(topic));
43          setSubscriber(session.createSubscriber(getTemporaryTopic()));
44      }
45  
46      public Message request(Message message) throws JMSException {
47          message.setJMSReplyTo(getTemporaryTopic());
48          getPublisher().publish(message);
49          return (getSubscriber().receive());
50      }
51  
52      public void close() throws JMSException {
53          getSession().close();
54          getTemporaryTopic().delete();
55      }
56  
57      private void setPublisher(TopicPublisher publisher) {
58          this.publisher = publisher;
59      }
60  
61      private TopicPublisher getPublisher() {
62          return publisher;
63      }
64  
65      private void setSession(TopicSession session) {
66          this.session = session;
67      }
68  
69      private TopicSession getSession() {
70          return session;
71      }
72  
73      private void setSubscriber(TopicSubscriber subscriber) {
74          this.subscriber = subscriber;
75      }
76  
77      private TopicSubscriber getSubscriber() {
78          return subscriber;
79      }
80  
81      private void setTemporaryTopic(TemporaryTopic temporaryTopic) {
82          this.temporaryTopic = temporaryTopic;
83      }
84  
85      private TemporaryTopic getTemporaryTopic() {
86          return temporaryTopic;
87      }
88  
89      private void setTopic(Topic topic) {
90          this.topic = topic;
91      }
92  
93      private Topic getTopic() {
94          return topic;
95      }
96  }