com.caucho.env.meter

Class JmxAttributeMeter

java.lang.Object

com.caucho.env.meter.AbstractMeter

com.caucho.env.meter.JmxAttributeMeter

All Implemented Interfaces:

Meter

public final class JmxAttributeMeter
extends AbstractMeter

Constructor Summary

Constructors

Constructor and Description
JmxAttributeMeter(java.lang.String name, java.lang.String objectName, java.lang.String attribute, boolean isOptional)

Method Summary

Modifier and Type	Method and Description
double	calculate() Calculate the current value based on the previous sample().
boolean	isOptional()
double	peek() Returns the current value.
void	sample() Polls the statistics attribute.
void	setOptional(boolean optional)

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

getName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

JmxAttributeMeter

public JmxAttributeMeter(java.lang.String name,
                         java.lang.String objectName,
                         java.lang.String attribute,
                         boolean isOptional)

Method Detail

sample

public void sample()

Polls the statistics attribute.

Specified by:

sample in interface Meter

Specified by:

sample in class AbstractMeter

calculate

public 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

peek

public double peek()

Description copied from class: AbstractMeter

Returns the current value.

Specified by:

peek in interface Meter

Overrides:

peek in class AbstractMeter

isOptional

public boolean isOptional()

setOptional

public void setOptional(boolean optional)