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Java > Open Source Codes > com > opensymphony > oscache > base > NeedsRefreshException


1 /*
2  * Copyright (c) 2002-2003 by OpenSymphony
3  * All rights reserved.
4  */
5 package com.opensymphony.oscache.base;
6
7
8 /**
9  * This exception is thrown when retrieving an item from cache and it is
10  * expired.
11  * Note that for fault tolerance purposes, it is possible to retrieve the
12  * current cached object from the exception.
13  *
14  * <p>January, 2004 - The OSCache developers are aware of the fact that throwing
15  * an exception for a perfect valid situation (cache miss) is design smell. This will
16  * be removed in the near future, and other means of refreshing the cache will be
17  * provided.</p>
18  *
19  * @author <a HREF="mailto:fbeauregard@pyxis-tech.com">Francois Beauregard</a>
20  * @version $Revision: 1.1 $
21  */
22 public final class NeedsRefreshException extends Exception JavaDoc {
23     /**
24      * Current object in the cache
25      */
26     private Object JavaDoc cacheContent = null;
27
28     /**
29      * Create a NeedsRefreshException
30      */
31     public NeedsRefreshException(Object JavaDoc cacheContent) {
32         super();
33         this.cacheContent = cacheContent;
34     }
35
36     /**
37      * Retrieve current object in the cache
38      */
39     public Object JavaDoc getCacheContent() {
40         return cacheContent;
41     }
42 }
43
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