Source Code Cross Referenced for Receiver.java in  » Testing » jakarta-jmeter » org » apache » jmeter » protocol » jms » sampler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » jakarta jmeter » org.apache.jmeter.protocol.jms.sampler 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *   http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         *
017:         */
018:
019:        package org.apache.jmeter.protocol.jms.sampler;
020:
021:        import org.apache.jorphan.logging.LoggingManager;
022:        import org.apache.log.Logger;
023:
024:        import javax.jms.*;
025:
026:        /**
027:         * Receiver of pseudo-synchronous reply messages.
028:         * 
029:         * @author Martijn Blankestijn
030:         * @version $Id: Receiver.java 493789 2007-01-07 18:10:21Z sebb $.
031:         */
032:        public class Receiver implements  Runnable {
033:            private boolean active;
034:
035:            private QueueSession session;
036:
037:            private QueueReceiver consumer;
038:
039:            private QueueConnection conn;
040:
041:            // private static Receiver receiver;
042:            static Logger log = LoggingManager.getLoggerForClass();
043:
044:            private Receiver(QueueConnectionFactory factory, Queue receiveQueue)
045:                    throws JMSException {
046:                conn = factory.createQueueConnection();
047:                session = conn.createQueueSession(false,
048:                        Session.AUTO_ACKNOWLEDGE);
049:                consumer = session.createReceiver(receiveQueue);
050:                if (log.isDebugEnabled()) {
051:                    log.debug("Receiver - ctor. Starting connection now");
052:                }
053:                conn.start();
054:                if (log.isInfoEnabled()) {
055:                    log
056:                            .info("Receiver - ctor. Connection to messaging system established");
057:                }
058:            }
059:
060:            public static synchronized Receiver createReceiver(
061:                    QueueConnectionFactory factory, Queue receiveQueue)
062:                    throws JMSException {
063:                // if (receiver == null) {
064:                Receiver receiver = new Receiver(factory, receiveQueue);
065:                Thread thread = new Thread(receiver);
066:                thread.start();
067:                // }
068:                return receiver;
069:            }
070:
071:            public void run() {
072:                activate();
073:                Message reply;
074:
075:                while (isActive()) {
076:                    reply = null;
077:                    try {
078:                        reply = consumer.receive(5000);
079:                        if (reply != null) {
080:
081:                            if (log.isDebugEnabled()) {
082:                                log.debug("Received message, correlation id:"
083:                                        + reply.getJMSCorrelationID());
084:                            }
085:
086:                            if (reply.getJMSCorrelationID() == null) {
087:                                log
088:                                        .warn("Received message with correlation id null. Discarding message ...");
089:                            } else {
090:                                MessageAdmin.getAdmin().putReply(
091:                                        reply.getJMSCorrelationID(), reply);
092:                            }
093:                        }
094:
095:                    } catch (JMSException e1) {
096:                        e1.printStackTrace();
097:                    }
098:                }
099:                // not active anymore
100:                if (session != null) {
101:                    try {
102:                        session.close();
103:                        if (conn != null)
104:                            conn.close();
105:                    } catch (JMSException e) {
106:                        e.printStackTrace();
107:                    }
108:                }
109:            }
110:
111:            public synchronized void activate() {
112:                active = true;
113:            }
114:
115:            public synchronized void deactivate() {
116:                active = false;
117:            }
118:
119:            private synchronized boolean isActive() {
120:                return active;
121:            }
122:
123:        }
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