com.caucho.env.meter
Class JmxDeltaMeter

java.lang.Object
  extended by com.caucho.env.meter.AbstractMeter
      extended by com.caucho.env.meter.JmxDeltaMeter
All Implemented Interfaces:
Meter

public final class JmxDeltaMeter
extends AbstractMeter


Constructor Summary
JmxDeltaMeter(java.lang.String name, java.lang.String objectName, java.lang.String attribute, boolean isOptional)
           
 
Method Summary
 double calculate()
          Calculate the current value based on the previous sample().
 void sample()
          Polls the statistics attribute.
 
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

JmxDeltaMeter

public JmxDeltaMeter(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