JmxBaseCacheMBean


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  /**
25   * @Version $Id: JmxBaseCacheMBean.java,v 1.4 2005/12/25 04:25:22 tcfujii Exp $
26   * Created on May 4, 2005 11:43 AM
27   */
28  
29  package com.sun.appserv.util.cache.mbeans;
30  
31  /**
32   * This interface defines the attributes exposed by the BaseCache MBean
33   *
34   * @author Krishnamohan Meduri (Krishna.Meduri@Sun.com)
35   *
36   */
37  public interface JmxBaseCacheMBean {
38  
39      /**
40       * Returns a unique identifier for this MBean inside the domain
41       */
42      public String   getName();
43  
44      /**
45       * Returns maximum possible number of entries
46       */
47      public Integer   getMaxEntries();
48  
49      /**
50       * Returns threshold. This when reached, an overflow will occur
51       */
52      public Integer   getThreshold();
53  
54      /**
55       * Returns current number of buckets
56       */
57      public Integer   getTableSize();
58  
59      /**
60       * Returns current number of Entries
61       */
62      public Integer   getEntryCount();
63  
64      /**
65       * Return the number of cache hits
66       */
67      public Integer   getHitCount();
68  
69      /**
70       * Returns the number of cache misses
71       */
72      public Integer   getMissCount();
73  
74      /**
75       * Returns the number of entries that have been removed
76       */
77      public Integer   getRemovalCount();
78  
79      /**
80       * Returns the number of values that have been refreshed 
81       * (replaced with a new value in an existing extry)
82       */
83      public Integer   getRefreshCount();
84  
85      /**
86       * Returns the number of times that an overflow has occurred
87       */
88      public Integer   getOverflowCount();
89  
90      /**
91       * Returns the number of times new entries have been added
92       */
93      public Integer   getAddCount();
94  }
95
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