/* * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.jvmstat.perfdata.monitor; import sun.jvmstat.monitor.*;import java.nio.ByteBuffer; /** * * Class for monitoring a variable PerfData String instrument. * The current value of a variable string instrument changes over time. * * @author Brian Doherty * @since 1.5 */public class PerfStringVariableMonitor extends PerfStringMonitor {     /**     * Constructor to create a StringMonitor object for the variable string     * instrument represented by the data in the given buffer.     *     * @param name the name of the string instrument     * @param supported support level indicator     * @param bb the buffer containing the string instrument data.     */    public PerfStringVariableMonitor(String name, boolean supported,                                     ByteBuffer bb) {        this(name, supported, bb, bb.limit());    }     /**     * Constructor to create a StringMonitor object for the variable     * string instrument represented by the data in the given buffer.     *     * @param name the name of the string instrument     * @param bb the buffer containing the string instrument data.     * @param supported support level indicator     * @param maxLength the maximum length of the string data.     */    public PerfStringVariableMonitor(String name, boolean supported,                                     ByteBuffer bb, int maxLength) {        // account for the null terminator by adding 1 to maxLength        super(name, Variability.VARIABLE, supported, bb, maxLength+1);    }}