001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    //
021    // This source code implements specifications defined by the Java
022    // Community Process. In order to remain compliant with the specification
023    // DO NOT add / change / or delete method signatures!
024    //
025    
026    package javax.jms;
027    
028    /**
029     * @version $Rev: 467553 $ $Date: 2006-10-25 06:01:51 +0200 (Wed, 25 Oct 2006) $
030     */
031    public class TopicRequestor {
032        private TopicSession session;
033        private Topic topic;
034        private TemporaryTopic temporaryTopic;
035        private TopicPublisher publisher;
036        private TopicSubscriber subscriber;
037    
038        public TopicRequestor(TopicSession session, Topic topic)
039            throws JMSException {
040            super();
041            setSession(session);
042            setTopic(topic);
043            setTemporaryTopic(session.createTemporaryTopic());
044            setPublisher(session.createPublisher(topic));
045            setSubscriber(session.createSubscriber(getTemporaryTopic()));
046        }
047    
048        public Message request(Message message) throws JMSException {
049            message.setJMSReplyTo(getTemporaryTopic());
050            getPublisher().publish(message);
051            return (getSubscriber().receive());
052        }
053    
054        public void close() throws JMSException {
055            getSession().close();
056            getTemporaryTopic().delete();
057        }
058    
059        private void setPublisher(TopicPublisher publisher) {
060            this.publisher = publisher;
061        }
062    
063        private TopicPublisher getPublisher() {
064            return publisher;
065        }
066    
067        private void setSession(TopicSession session) {
068            this.session = session;
069        }
070    
071        private TopicSession getSession() {
072            return session;
073        }
074    
075        private void setSubscriber(TopicSubscriber subscriber) {
076            this.subscriber = subscriber;
077        }
078    
079        private TopicSubscriber getSubscriber() {
080            return subscriber;
081        }
082    
083        private void setTemporaryTopic(TemporaryTopic temporaryTopic) {
084            this.temporaryTopic = temporaryTopic;
085        }
086    
087        private TemporaryTopic getTemporaryTopic() {
088            return temporaryTopic;
089        }
090    
091        private void setTopic(Topic topic) {
092            this.topic = topic;
093        }
094    
095        private Topic getTopic() {
096            return topic;
097        }
098    }