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


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 java.util.concurrent.Executor JavaDoc;
20
21 /**
22  * A simple activity which executes a runnable task in another thread and then
23  * completes.
24  *
25  * @version $Revision: $
26  */
27 public class AsynchronousActivity extends TimeoutActivity {
28
29     private final Executor JavaDoc executor;
30     private final Runnable JavaDoc runnable;
31
32     public AsynchronousActivity(Executor JavaDoc executor, Runnable JavaDoc runnable) {
33         this.executor = executor;
34         this.runnable = runnable;
35     }
36
37     @Override JavaDoc
38     protected void doStart() {
39         super.doStart();
40         executor.execute(new Runnable JavaDoc() {
41             public void run() {
42                 try {
43                     runnable.run();
44                     //System.out.println("About to call stop on: " + this);
45 stop();
46                     //System.out.println("Activity completed: " + this + " status now: " + getState());
47 }
48                 catch (Throwable JavaDoc e) {
49                     fail("Failed to run task: " + runnable + ". Cause: " + e, e);
50                 }
51             }
52         });
53     }
54 }
55
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