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
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23 * questions.
24 */
25
26package sun.jvmstat.perfdata.monitor;
27
28import sun.jvmstat.monitor.*;
29import 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 */
39public 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     */
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     */
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