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Java > Open Source Codes > com > sun > enterprise > admin > monitor > stats > StringStatistic


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  * Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
26  * Use is subject to license terms.
27  */
28
29 /*
30  * $Id: StringStatistic.java,v 1.2 2005/12/25 03:52:26 tcfujii Exp $
31  * $Date: 2005/12/25 03:52:26 $
32  * $Revision: 1.2 $
33  */
34
35 package com.sun.enterprise.admin.monitor.stats;
36 import javax.management.j2ee.statistics.Statistic JavaDoc;
37
38 /**
39  * Custom statistic type created for the Sun ONE Application Server.
40  * The goal is to be able to represent changing attribute values that are strings
41  * in the form of Statistics. Semantically, it is analogous to a {@link CountStatistic},
42  * the only difference being in the value that is returned. Unlike a CountStatistic
43  * (which always is unidirectional), this Statistic type is not having any
44  * specified direction, simply because there is no natural order. An example
45  * of the values that an instance of this statistic type can assume is: A State
46  * Statistic which can have "CONNECTED, CLOSED, DISCONNECTED" as the permissible
47  * values and the current value can be any one of them (and them only).
48  * The permissible values
49  * are upto a particular implementation.
50  * @author Muralidhar Vempaty
51  * @author Kedar Mhaswade
52  * @since S1AS8.0
53  * @version 1.0
54  */
55 public interface StringStatistic extends Statistic JavaDoc {
56     
57     /**
58      * Returns the String value of the statistic.
59      */
60     public String JavaDoc getCurrent();
61 }
62
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