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Java > Open Source Codes > com > sun > appserv > util > cache > mbeans > JmxMultiLruCache


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: JmxMultiLruCache.java,v 1.4 2005/12/25 04:25:23 tcfujii Exp $
26  * Created on May 4, 2005 02:30 PM
27  */
28
29 package com.sun.appserv.util.cache.mbeans;
30
31 import com.sun.appserv.util.cache.MultiLruCache;
32 import com.sun.appserv.util.cache.Constants;
33 /**
34  * This class provides implementation for JmxLruCache MBean
35  *
36  * @author Krishnamohan Meduri (Krishna.Meduri@Sun.com)
37  *
38  */
39 public class JmxMultiLruCache extends JmxBaseCache
40                               implements JmxMultiLruCacheMBean {
41
42     private MultiLruCache multiLruCache;
43
44     public JmxMultiLruCache(MultiLruCache multiLruCache, String JavaDoc name) {
45         super(multiLruCache,name);
46         this.multiLruCache = multiLruCache;
47     }
48
49     /**
50      * Returns the number of entries that have been trimmed
51      */
52     public Integer JavaDoc getTrimCount() {
53         return (Integer JavaDoc) multiLruCache.getStatByName(
54                                         Constants.STAT_MULTILRUCACHE_TRIM_COUNT);
55     }
56
57     /**
58      * Returns the size of each segment
59      */
60     public Integer JavaDoc getSegmentSize() {
61         return (Integer JavaDoc) multiLruCache.getStatByName(
62                                         Constants.STAT_MULTILRUCACHE_SEGMENT_SIZE);
63     }
64
65     /**
66      * Returns the legnth of the segment list
67      */
68     public Integer JavaDoc[] getSegmentListLength() {
69         return (Integer JavaDoc[]) multiLruCache.getStatByName(
70                                         Constants.STAT_MULTILRUCACHE_SEGMENT_LIST_LENGTH);
71     }
72 }
73
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