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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  package org.codehaus.activemq.service.impl;
19  
20  import EDU.oswego.cs.dl.util.concurrent.ConcurrentHashMap;
21  import org.codehaus.activemq.service.Dispatcher;
22  import org.codehaus.activemq.service.MessageContainer;
23  import org.codehaus.activemq.service.MessageContainerManager;
24  
25  import javax.jms.JMSException;
26  import java.util.Iterator;
27  import java.util.Map;
28  
29  /***
30   * @version $Revision: 1.1 $
31   */
32  public abstract class MessageContainerManagerSupport implements MessageContainerManager {
33      protected Dispatcher dispatcher;
34      protected Map messageContainers = new ConcurrentHashMap();
35  
36      public MessageContainerManagerSupport(Dispatcher dispatcher) {
37          this.dispatcher = dispatcher;
38          dispatcher.register(this);
39      }
40  
41      /***
42       * start the broker
43       *
44       * @throws javax.jms.JMSException
45       */
46      public void start() throws JMSException {
47          dispatcher.start();
48      }
49  
50      /***
51       * stop the broker
52       *
53       * @throws javax.jms.JMSException
54       */
55      public void stop() throws JMSException {
56          dispatcher.stop();
57          JMSException firstException = null;
58          try {
59              dispatcher.stop();
60          }
61          catch (JMSException e) {
62              firstException = e;
63          }
64  
65          // lets stop all the containers
66          for (Iterator iter = messageContainers.values().iterator(); iter.hasNext();) {
67              MessageContainer container = (MessageContainer) iter.next();
68              try {
69                  container.stop();
70              }
71              catch (JMSException e) {
72                  if (firstException == null) {
73                      firstException = e;
74                  }
75              }
76          }
77          if (firstException != null) {
78              throw firstException;
79          }
80  
81      }
82  }