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Java > Open Source Codes > org > apache > activemq > systest > ScenarioSupport


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.activemq.systest;
19
20 import org.apache.commons.logging.Log;
21 import org.apache.commons.logging.LogFactory;
22
23 import java.util.Iterator JavaDoc;
24 import java.util.LinkedList JavaDoc;
25
26 /**
27  *
28  * @version $Revision: 1.1 $
29  */
30 public abstract class ScenarioSupport implements Scenario {
31     private static final Log log = LogFactory.getLog(ScenarioSupport.class);
32
33     private LinkedList JavaDoc agents = new LinkedList JavaDoc();
34
35     // Helper methods
36 // -------------------------------------------------------------------------
37
38     /**
39      * Starts the given agent and adds it to the list of agents to stop when
40      * the test is complete
41      */
42     public void start(Agent agent) throws Exception JavaDoc {
43         agent.start();
44         agents.addFirst(agent);
45     }
46
47     /**
48      * Stops all the added agents
49      */
50     public void stop() throws Exception JavaDoc {
51         AgentStopper stopper = new AgentStopper();
52         stop(stopper);
53         stopper.throwFirstException();
54     }
55
56     public void stop(AgentStopper stopper) {
57         for (Iterator JavaDoc iter = agents.iterator(); iter.hasNext();) {
58             Agent agent = (Agent) iter.next();
59             log.info("Stopping agent: " + agent);
60             stopper.stop(agent);
61         }
62     }
63
64     
65 }
66
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