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Java > Open Source Codes > com > sun > enterprise > admin > servermgmt > pe > InstanceTimer


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.admin.servermgmt.pe;
25
26 public final class InstanceTimer implements Runnable JavaDoc
27 {
28     private final int timeOutSeconds;
29     private final TimerCallback callBack;
30     private final int startAfterSeconds;
31     private boolean timeOutReached;
32     private long startTime;
33
34     public InstanceTimer(int timeOutSeconds,
35                   int startAfterSeconds,
36                   TimerCallback callBack)
37     {
38         this.timeOutSeconds = timeOutSeconds;
39         this.startAfterSeconds = startAfterSeconds;
40         this.callBack = callBack;
41         this.timeOutReached = false;
42     }
43
44     public void run()
45     {
46         startTime = System.currentTimeMillis();
47         try
48         {
49             Thread.currentThread().sleep(startAfterSeconds * 1000);
50             while (!timeOutReached() && !callBack.check())
51             {
52                 try
53                 {
54                     Thread.currentThread().sleep(1000);
55                     computeTimeOut();
56                 }
57                 catch (InterruptedException JavaDoc ie)
58                 {
59                     //sLogger.warning(ie.toString());
60 timeOutReached = true;
61                 }
62             }
63         }
64         catch (Exception JavaDoc e)
65         {
66             //sLogger.warning(e.toString());
67 timeOutReached = true;
68         }
69     }
70
71     private boolean timeOutReached()
72     {
73         return timeOutReached;
74     }
75
76     private void computeTimeOut()
77     {
78         long currentTime = System.currentTimeMillis();
79         timeOutReached =
80             ((currentTime - startTime) >= (timeOutSeconds * 1000));
81     }
82 }
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