Cache


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.ejb.containers.util.cache;
25  
26  import java.io.*;
27  import java.util.*;
28  import java.util.ArrayList  ;
29  
30  
31  public interface Cache {
32  
33      public Object   get(Object   key);
34      
35      public Object   put(Object   key, Object   obj);
36      
37      public Object   remove(Object   key);
38      
39      public boolean contains(Object   key);
40      
41      public Enumeration elements();
42      
43      public void clear();
44      
45      public int size();
46      
47      public int getMaxCacheSize();
48      
49      public int getCacheHits();
50      
51      public int getCacheMisses();
52      
53      public void incrementCacheFailures(Object   key);
54      
55      public void incrementCacheSuccess(Object   key);
56      
57      public void incrementCacheFailures();
58      
59      public void incrementCacheSuccess();
60      
61      /**
62       * Destroys this cache. This method should perform final clean ups.
63       */
64      public void destroy();
65  
66  }
67  
68
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