Source code: org/activemq/usecases/ChangeSentMessageTest.java
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.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
28 import org.activemq.test.TestSupport;
29
30 /**
31 * @version $Revision: 1.1.1.1 $
32 */
33 public class ChangeSentMessageTest extends TestSupport {
34 private static final int COUNT = 200;
35 private static final String VALUE_NAME = "value";
36
37 /**
38 * test Object messages can be changed after sending with no side-affects
39 * @throws Exception
40 */
41 public void testDoChangeSentMessage() throws Exception {
42 Destination destination = createDestination("test-"+ChangeSentMessageTest.class.getName());
43 Connection connection = createConnection();
44 connection.start();
45 Session consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
46 MessageConsumer consumer = consumerSession.createConsumer(destination);
47 Session publisherSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
48 MessageProducer producer = publisherSession.createProducer(destination);
49 HashMap map = new HashMap();
50 ObjectMessage message = publisherSession.createObjectMessage();
51 for (int i = 0;i < COUNT;i++) {
52 map.put(VALUE_NAME, new Integer(i));
53 message.setObject(map);
54 producer.send(message);
55 assertTrue(message.getObject()==map);
56 }
57 for (int i = 0;i < COUNT;i++) {
58 ObjectMessage msg = (ObjectMessage) consumer.receive();
59 HashMap receivedMap = (HashMap) msg.getObject();
60 Integer intValue = (Integer) receivedMap.get(VALUE_NAME);
61 assertTrue(intValue.intValue() == i);
62 }
63 }
64 }