com.caucho.env.meter

Class SemaphoreMeter

java.lang.Object

com.caucho.env.meter.AbstractMeter

com.caucho.env.meter.SemaphoreMeter

All Implemented Interfaces:

Meter, SemaphoreSensor

public final class SemaphoreMeter
extends AbstractMeter
implements SemaphoreSensor

Constructor Summary

Constructors

Constructor and Description
SemaphoreMeter(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
void	acquire() Acquire a resource from the semaphore.
double	calculate() Calculate the current value based on the previous sample().
AbstractMeter	createCount(java.lang.String name)
AbstractMeter	createMax(java.lang.String name)
AbstractMeter	createMin(java.lang.String name)
void	release() Free a resource
void	sample() Return the probe's next average.
double	sampleCount() Return the probe's next sample.
double	sampleMax() Return the probe's next sample.
double	sampleMin() Return the probe's next sample.

Methods inherited from class com.caucho.env.meter.AbstractMeter

getName, peek, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SemaphoreMeter

public SemaphoreMeter(java.lang.String name)

Method Detail

createCount

public AbstractMeter createCount(java.lang.String name)

createMin

public AbstractMeter createMin(java.lang.String name)

createMax

public AbstractMeter createMax(java.lang.String name)

acquire

public final void acquire()

Description copied from interface: SemaphoreSensor

Acquire a resource from the semaphore.

Specified by:

acquire in interface SemaphoreSensor

release

public final void release()

Description copied from interface: SemaphoreSensor

Free a resource

Specified by:

release in interface SemaphoreSensor

sample

public final void sample()

Return the probe's next average.

Specified by:

sample in interface Meter

Specified by:

sample in class AbstractMeter

calculate

public final double calculate()

Description copied from class: AbstractMeter

Calculate the current value based on the previous sample().

Specified by:

calculate in interface Meter

Specified by:

calculate in class AbstractMeter

sampleCount

public final double sampleCount()

Return the probe's next sample.

sampleMax

public final double sampleMax()

Return the probe's next sample.

sampleMin

public final double sampleMin()

Return the probe's next sample.