org.infinispan.stats.percentiles

Class ReservoirSampler

java.lang.Object

org.infinispan.stats.percentiles.ReservoirSampler

public class ReservoirSampler
extends Object

Keeps the sample for percentile calculations.

Please check this for more details

Since:

6.0

Author:

Roberto Palmieri, Diego Didona, Pedro Ruivo

Constructor Summary

Constructors

Constructor and Description
ReservoirSampler()
ReservoirSampler(int numSpots)

Method Summary

Modifier and Type	Method and Description
double	getKPercentile(int k)
void	insertSample(double sample)
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReservoirSampler

public ReservoirSampler()

ReservoirSampler

public ReservoirSampler(int numSpots)

Method Detail

insertSample

public final void insertSample(double sample)

getKPercentile

public final double getKPercentile(int k)
                            throws IllegalArgumentException

Parameters:

k - the percentage of observations. Should be a value between 0 and 100 exclusively.

Returns:

the percentile value for the k% observations.

Throws:

IllegalArgumentException - if k is not between 0 and 100 exclusively.

reset

public final void reset()