io.druid.benchmark.datagen

Class RealRoundingDistribution

java.lang.Object

org.apache.commons.math3.distribution.AbstractIntegerDistribution

io.druid.benchmark.datagen.RealRoundingDistribution

All Implemented Interfaces:

Serializable, org.apache.commons.math3.distribution.IntegerDistribution

public class RealRoundingDistribution
extends org.apache.commons.math3.distribution.AbstractIntegerDistribution

Rounds the output values from the sample() function of an AbstractRealDistribution.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.commons.math3.distribution.AbstractIntegerDistribution

random, randomData

Constructor Summary

Constructors

Constructor and Description
RealRoundingDistribution(org.apache.commons.math3.distribution.AbstractRealDistribution realDist)

Method Summary

Modifier and Type	Method and Description
double	cumulativeProbability(int x)
double	getNumericalMean()
double	getNumericalVariance()
int	getSupportLowerBound()
int	getSupportUpperBound()
boolean	isSupportConnected()
double	probability(int x)
void	reseedRandomGenerator(long seed)
int	sample()

Methods inherited from class org.apache.commons.math3.distribution.AbstractIntegerDistribution

cumulativeProbability, inverseCumulativeProbability, logProbability, sample, solveInverseCumulativeProbability

Methods inherited from class java.lang.Object

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

Constructor Detail

RealRoundingDistribution

public RealRoundingDistribution(org.apache.commons.math3.distribution.AbstractRealDistribution realDist)

Method Detail

probability

public double probability(int x)

cumulativeProbability

public double cumulativeProbability(int x)

getNumericalMean

public double getNumericalMean()

getNumericalVariance

public double getNumericalVariance()

getSupportLowerBound

public int getSupportLowerBound()

getSupportUpperBound

public int getSupportUpperBound()

isSupportConnected

public boolean isSupportConnected()

reseedRandomGenerator

public void reseedRandomGenerator(long seed)

Specified by:

reseedRandomGenerator in interface org.apache.commons.math3.distribution.IntegerDistribution

Overrides:

reseedRandomGenerator in class org.apache.commons.math3.distribution.AbstractIntegerDistribution

sample

public int sample()

Specified by:

sample in interface org.apache.commons.math3.distribution.IntegerDistribution

Overrides:

sample in class org.apache.commons.math3.distribution.AbstractIntegerDistribution