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package sun.jvmstat.perfdata.monitor;

import sun.jvmstat.monitor.*;
import java.nio.LongBuffer;

Class for monitoring a PerfData Long instrument.
Author:
Brian Doherty
Since:
1.5/**
 * Class for monitoring a PerfData Long instrument.
 *
 * @author Brian Doherty
 * @since 1.5
 */
public class PerfLongMonitor extends AbstractMonitor implements LongMonitor {

    
The buffer containing the data for the long instrument.
/**
     * The buffer containing the data for the long instrument.
     */
    LongBuffer lb;

    
Constructor to create a LongMonitor object for the long instrument
represented by the data in the given buffer.
Params:
name – the name of the long instrument
u – the units of measure attribute
v – the variability attribute
supported – support level indicator
lb – the buffer containing the long instrument data./**
     * Constructor to create a LongMonitor object for the long instrument
     * represented by the data in the given buffer.
     *
     * @param name the name of the long instrument
     * @param u the units of measure attribute
     * @param v the variability attribute
     * @param supported support level indicator
     * @param lb the buffer containing the long instrument data.
     */
    public PerfLongMonitor(String name, Units u, Variability v,
                           boolean supported, LongBuffer lb) {
        super(name, u, v, supported);
        this.lb = lb;
    }

    
{@inheritDoc}
The object returned contains a Long object containing the
current value of the LongInstrument.
Returns:
Object - the current value of the LongInstrument. The
                 return type is guaranteed to be of type Long./**
     * {@inheritDoc}
     * The object returned contains a Long object containing the
     * current value of the LongInstrument.
     *
     * @return Object - the current value of the LongInstrument. The
     *                  return type is guaranteed to be of type Long.
     */
    public Object getValue() {
        return Long.valueOf(lb.get(0));
    }

    
Return the current value of the LongInstrument as an long.
Returns:
long - the current value of the LongInstrument/**
     * Return the current value of the LongInstrument as an long.
     *
     * @return long - the current value of the LongInstrument
     */
    public long longValue() {
        return lb.get(0);
    }
}