1 /* 2 * Copyright (c) 2004, 2010, 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 sun.jvmstat.perfdata.monitor; 27 28 import sun.jvmstat.monitor.*; 29 import java.nio.ByteBuffer; 30 31 /** 32 * 33 * Class for monitoring a variable PerfData String instrument. 34 * The current value of a variable string instrument changes over time. 35 * 36 * @author Brian Doherty 37 * @since 1.5 38 */ 39 public class PerfStringVariableMonitor extends PerfStringMonitor { 40 41 /** 42 * Constructor to create a StringMonitor object for the variable string 43 * instrument represented by the data in the given buffer. 44 * 45 * @param name the name of the string instrument 46 * @param supported support level indicator 47 * @param bb the buffer containing the string instrument data. 48 */ PerfStringVariableMonitor(String name, boolean supported, ByteBuffer bb)49 public PerfStringVariableMonitor(String name, boolean supported, 50 ByteBuffer bb) { 51 this(name, supported, bb, bb.limit()); 52 } 53 54 /** 55 * Constructor to create a StringMonitor object for the variable 56 * string instrument represented by the data in the given buffer. 57 * 58 * @param name the name of the string instrument 59 * @param bb the buffer containing the string instrument data. 60 * @param supported support level indicator 61 * @param maxLength the maximum length of the string data. 62 */ PerfStringVariableMonitor(String name, boolean supported, ByteBuffer bb, int maxLength)63 public PerfStringVariableMonitor(String name, boolean supported, 64 ByteBuffer bb, int maxLength) { 65 // account for the null terminator by adding 1 to maxLength 66 super(name, Variability.VARIABLE, supported, bb, maxLength+1); 67 } 68 } 69