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 * 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,

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 *

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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);

    }

}