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Java > Open Source Codes > com > caucho > loader > DependencyCheckInterval


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.loader;
30
31 import com.caucho.config.types.Period;
32
33 import javax.annotation.PostConstruct;
34
35 /**
36  * Class for update interval checking.
37  */
38 public class DependencyCheckInterval {
39   private long _interval = 2000L;
40   
41   /**
42    * Sets the interval.
43    */
44   public void setValue(Period period)
45   {
46     _interval = period.getPeriod();
47   }
48
49   /**
50    * Initialize
51    */
52   @PostConstruct
53   public void init()
54   {
55     ClassLoader JavaDoc loader = Thread.currentThread().getContextClassLoader();
56
57     for (; loader != null; loader = loader.getParent()) {
58       if (loader instanceof DynamicClassLoader) {
59     DynamicClassLoader dynLoader;
60     dynLoader = (DynamicClassLoader) loader;
61
62     dynLoader.setDependencyCheckInterval(_interval);
63     return;
64       }
65     }
66
67     if (loader == null)
68       DynamicClassLoader.setGlobalDependencyCheckInterval(_interval);
69   }
70
71   public String JavaDoc toString()
72   {
73     return "DependencyCheckInterval[]";
74   }
75 }
76
77
78
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