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Java > Open Source Codes > cluster > queue > Producer


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2004 - France Telecom R&D
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18  * USA.
19  *
20  * Initial developer(s): Nicolas Tachker (ScalAgent)
21  * Contributor(s):
22  */
23 package cluster.queue;
24
25 import javax.jms.*;
26 import javax.naming.*;
27
28 /**
29  * Produces messages on the cluster queue.
30  */
31 public class Producer {
32   static Context ictx = null;
33
34   public static void main(String JavaDoc[] args) throws Exception JavaDoc {
35
36     int i = new Integer JavaDoc(args[0]).intValue();
37     System.setProperty("location", ""+i);
38
39     int nbMsg = new Integer JavaDoc(args[1]).intValue();
40
41     int sleep = Integer.getInteger("sleep", 500).intValue();
42     int nbMsgSleep = Integer.getInteger("nbMsgSleep", 10).intValue();
43
44     System.out.println();
45     System.out.println("Produces " + nbMsg + " messages on the cluster queue...");
46     System.out.println("sleep = " + sleep + ", nbMsgSleep=" + nbMsgSleep);
47
48     ictx = new InitialContext();
49     Destination clusterQueue = (Destination) ictx.lookup("clusterQueue");
50     System.out.println("clusterQueue = " + clusterQueue);
51     QueueConnectionFactory cf = (QueueConnectionFactory) ictx.lookup("qcf"+i);
52     ictx.close();
53
54     QueueConnection cnx = cf.createQueueConnection("user"+i,"user"+i);
55     QueueSession sess = cnx.createQueueSession(false,Session.AUTO_ACKNOWLEDGE);
56     MessageProducer producer = sess.createProducer(null);
57
58     TextMessage msg = sess.createTextMessage();
59     long time = System.currentTimeMillis();
60     System.out.println("FirstTime = " + time);
61
62     int j;
63     for (j = 0; j < nbMsg; j++) {
64       msg.setText("location " + i +" : Test number " + j);
65       producer.send(clusterQueue, msg);
66       if (sleep > 0 && (j % nbMsgSleep) == 0) {
67         Thread.sleep(sleep);
68       }
69     }
70     time = System.currentTimeMillis() - time;
71     System.out.println("time = " + time);
72
73     cnx.close();
74   }
75 }
76
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