1 /***
2 *
3 * Copyright 2004 Protique Ltd
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 package org.codehaus.activemq.usecases;
20 import java.util.HashMap;
21 import javax.jms.Connection;
22 import javax.jms.Destination;
23 import javax.jms.MessageConsumer;
24 import javax.jms.MessageProducer;
25 import javax.jms.ObjectMessage;
26 import javax.jms.Session;
27 import org.codehaus.activemq.TestSupport;
28
29 /***
30 * @version $Revision: 1.1 $
31 */
32 public class ChangeSentMessageTest extends TestSupport {
33 private static final int COUNT = 200;
34 private static final String VALUE_NAME = "value";
35
36 /***
37 * test Object messages can be changed after sending with no side-affects
38 * @throws Exception
39 */
40 public void testDoChangeSentMessage() throws Exception {
41 Destination destination = createDestination("foo.bar");
42 Connection connection = createConnection();
43 connection.start();
44 Session consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
45 MessageConsumer consumer = consumerSession.createConsumer(destination);
46 Session publisherSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
47 MessageProducer producer = publisherSession.createProducer(destination);
48 HashMap map = new HashMap();
49 ObjectMessage message = publisherSession.createObjectMessage(map);
50 for (int i = 0;i < COUNT;i++) {
51 map.put(VALUE_NAME, new Integer(i));
52 producer.send(message);
53 assertTrue(message.getObject()==map);
54 }
55 for (int i = 0;i < COUNT;i++) {
56 ObjectMessage msg = (ObjectMessage) consumer.receive();
57 HashMap receivedMap = (HashMap) msg.getObject();
58 Integer intValue = (Integer) receivedMap.get(VALUE_NAME);
59 assertTrue(intValue.intValue() == i);
60 }
61 }
62 }