PerfStringVariableMonitor.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
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 * 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).
 *
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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);
    }
}