com.caucho.env.meter

Class AbstractMeter

java.lang.Object

com.caucho.env.meter.AbstractMeter

All Implemented Interfaces:

Meter

Direct Known Subclasses:

ActiveMeter, ActiveTimeMeter, AverageTimeMeter, ConstantStatAttribute, CountMeter, HealthMeter, JmxAttributeMeter, JmxCalculationMeterImpl, JmxDeltaMeter, JmxDeltaStatMeter, JmxPercentStatAttribute, JmxStatAttribute, JniCpuStat.ContextSwitchProbe, JniCpuStat.CpuActiveProbe, JniCpuStat.CpuIdleProbe, JniCpuStat.CpuSystemProbe, JniCpuStat.CpuUserProbe, JniNetStat.NetProbe, JniVmStat.VmProbe, SampleCountMeter, SemaphoreMeter, TimeMeter, TimeRangeMeter, TotalMeter

public abstract class AbstractMeter
extends java.lang.Object
implements Meter

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMeter(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
abstract double	calculate() Calculate the current value based on the previous sample().
java.lang.String	getName() Returns the meter's name.
double	peek() Returns the current value.
abstract void	sample() Sample the meter, resetting any counters for the next sample.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMeter

protected AbstractMeter(java.lang.String name)

Method Detail

getName

public final java.lang.String getName()

Returns the meter's name.

Specified by:

getName in interface Meter

sample

public abstract void sample()

Sample the meter, resetting any counters for the next sample.

Specified by:

sample in interface Meter

calculate

public abstract double calculate()

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

Specified by:

calculate in interface Meter

peek

public double peek()

Returns the current value.

Specified by:

peek in interface Meter

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object