Package org.apache.cassandra.metrics

Class ScalingReservoir

java.lang.Object

org.apache.cassandra.metrics.ScalingReservoir

All Implemented Interfaces:

com.codahale.metrics.Reservoir, SnapshottingReservoir

public class ScalingReservoir
extends Object
implements SnapshottingReservoir

A reservoir that scales the values before updating.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ScalingReservoir.ScaleFunction	Scale the input value.

Constructor Summary

Constructors

Constructor	Description
ScalingReservoir(SnapshottingReservoir reservoir, ScalingReservoir.ScaleFunction scaleFunc)

Method Summary

Modifier and Type	Method	Description
com.codahale.metrics.Snapshot	getPercentileSnapshot()
com.codahale.metrics.Snapshot	getSnapshot()
int	size()
void	update(long value)

Methods inherited from class java.lang.Object

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

Constructor Details

ScalingReservoir

public ScalingReservoir(SnapshottingReservoir reservoir,
 ScalingReservoir.ScaleFunction scaleFunc)

Method Details

size

public int size()

Specified by:

size in interface com.codahale.metrics.Reservoir

update

public void update(long value)

Specified by:

update in interface com.codahale.metrics.Reservoir

getSnapshot

public com.codahale.metrics.Snapshot getSnapshot()

Specified by:

getSnapshot in interface com.codahale.metrics.Reservoir

getPercentileSnapshot

public com.codahale.metrics.Snapshot getPercentileSnapshot()

Specified by:

getPercentileSnapshot in interface SnapshottingReservoir