1 /* 2 * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.org.glassfish.external.statistics; 27 28 /** 29 * Custom statistic type created for the Sun ONE Application Server. 30 * The goal is to be able to represent changing attribute values that are strings 31 * in the form of Statistics. Semantically, it is analogous to a {@link CountStatistic}, 32 * the only difference being in the value that is returned. Unlike a CountStatistic 33 * (which always is unidirectional), this Statistic type is not having any 34 * specified direction, simply because there is no natural order. An example 35 * of the values that an instance of this statistic type can assume is: A State 36 * Statistic which can have "CONNECTED, CLOSED, DISCONNECTED" as the permissible 37 * values and the current value can be any one of them (and them only). 38 * The permissible values are upto a particular implementation. 39 */ 40 41 public interface StringStatistic extends Statistic { 42 /** 43 * Returns the String value of the statistic 44 */ 45 String getCurrent(); 46 }