/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.enterprise.admin.monitor.stats; import org.glassfish.j2ee.statistics.Statistic; /** * Custom statistic type created for the Sun ONE Application Server. * The goal is to be able to represent changing attribute values that are strings * in the form of Statistics. Semantically, it is analogous to a {@link CountStatistic}, * the only difference being in the value that is returned. Unlike a CountStatistic * (which always is unidirectional), this Statistic type is not having any * specified direction, simply because there is no natural order. An example * of the values that an instance of this statistic type can assume is: A State * Statistic which can have "CONNECTED, CLOSED, DISCONNECTED" as the permissible * values and the current value can be any one of them (and them only). * The permissible values * are upto a particular implementation. * @author Muralidhar Vempaty * @author Kedar Mhaswade * @since S1AS8.0 * @version 1.0 */ public interface StringStatistic extends Statistic { /** * Returns the String value of the statistic. */ public String getCurrent(); }