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Java > Open Source Codes > org > apache > servicemix > beanflow > ExampleParallelBean


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. 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 package org.apache.servicemix.beanflow;
18
19 import org.apache.commons.logging.Log;
20 import org.apache.commons.logging.LogFactory;
21 import org.apache.servicemix.beanflow.annotations.Parallel;
22
23 import java.util.concurrent.CountDownLatch JavaDoc;
24 import java.util.concurrent.TimeUnit JavaDoc;
25
26 import junit.framework.Assert;
27
28 /**
29  * An example parallel proces
30  *
31  * @version $Revision: $
32  */
33 // START SNIPPET: workflow
34 public class ExampleParallelBean {
35     private static final Log log = LogFactory.getLog(ExampleParallelBean.class);
36
37     private CountDownLatch JavaDoc latch = new CountDownLatch JavaDoc(3);
38
39     public void shouldNotBeRun() {
40         throw new RuntimeException JavaDoc("Should not be ran");
41     }
42
43     @Parallel
44     public void methodOne() {
45         log.info("Called method one");
46         latch.countDown();
47         log.info("method one complete");
48     }
49
50     @Parallel
51     public void methodTwo() {
52         log.info("Called method two");
53         latch.countDown();
54         log.info("method two complete");
55     }
56
57     @Parallel
58     public void methodThree() {
59         log.info("Called method three");
60         latch.countDown();
61         log.info("method three complete");
62     }
63
64     public void assertCompleted() throws InterruptedException JavaDoc {
65         latch.await(3000, TimeUnit.MILLISECONDS);
66         if (latch.getCount() > 0) {
67             latch.await(30000, TimeUnit.MILLISECONDS);
68         }
69         Assert.assertEquals("Count down latch value", 0, latch.getCount());
70     }
71 }
72 // END SNIPPET: workflow
73
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