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Java > Open Source Codes > org > jboss > aspects > asynchronous > concurrent > TimedCallableImpl


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */

22
23 package org.jboss.aspects.asynchronous.concurrent;
24
25 import EDU.oswego.cs.dl.util.concurrent.Callable;
26 import EDU.oswego.cs.dl.util.concurrent.FutureResult;
27 import EDU.oswego.cs.dl.util.concurrent.ThreadFactoryUser;
28 import org.jboss.aspects.asynchronous.ProcessingTime;
29
30
31 /**
32  * @author <a HREF="mailto:chussenet@yahoo.com">{Claude Hussenet Independent Consultant}</a>.
33  * @version <tt>$Revision: 37406 $</tt>
34  */

35
36 public class TimedCallableImpl extends ThreadFactoryUser implements Callable, ProcessingTime
37 {
38
39    private final AdapterTask function;
40
41    private final long millis;
42
43    private long endingTime = -1;
44
45    private long startingTime = -1;
46
47
48    public TimedCallableImpl(AdapterTask function, long millis)
49    {
50
51       this.function = function;
52
53       this.millis = millis;
54
55    }
56
57    public Object JavaDoc call() throws Exception JavaDoc
58    {
59
60       FutureResult result = new FutureResult();
61
62
63       Thread JavaDoc thread = getThreadFactory().newThread(result.setter(function));
64
65       thread.start();
66
67       try
68       {
69
70          startingTime = System.currentTimeMillis();
71
72          Object JavaDoc obj = result.timedGet(millis);
73
74          endingTime = System.currentTimeMillis();
75
76          return obj;
77
78       }
79       catch (InterruptedException JavaDoc ex)
80       {
81
82          endingTime = System.currentTimeMillis();
83
84          function.cleanup();
85
86          thread.interrupt();
87
88          throw ex;
89
90       }
91
92    }
93
94
95    public long getEndingTime()
96    {
97
98       return endingTime;
99
100    }
101
102    public long getStartingTime()
103    {
104
105       return startingTime;
106
107    }
108
109 }
110
111
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