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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  
19  package org.codehaus.activemq.service;
20  
21  import javax.jms.JMSException;
22  
23  /***
24   * <p><code>Service</code> represents some service of some kind with a simple start/stop lifecycle.</p>
25   * <b>Note</b> that usually once a service has been stopped it should be discarded and a new service
26   * instance created again.
27   *
28   * @version $Revision: 1.7 $
29   */
30  public interface Service {
31  
32      /***
33       * Called to start the service
34       *
35       * @throws JMSException
36       */
37      public void start() throws JMSException;
38  
39      /***
40       * Called to shutdown the service
41       *
42       * @throws JMSException
43       */
44      public void stop() throws JMSException;
45  
46  }