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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 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 the LongInstrument. The
* return type is guaranteed to be of type Long.
*/
public Object getValue() {
return new Long(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);
}
}