org.apache.reef.wake.metrics

Class UniformHistogram

java.lang.Object

org.apache.reef.wake.metrics.UniformHistogram

All Implemented Interfaces:

Histogram

public class UniformHistogram
extends Object
implements Histogram

An Histogram that implements uniform binning of numbers (>=0).

Constructor Summary

Constructors

Constructor and Description
UniformHistogram(long binWidth, int numBins) Constructs a histogram.

Method Summary

Methods

Modifier and Type	Method and Description
long	getCount() Returns the number of recorded values.
int	getNumBins() Returns the number of bins.
long	getValue(int index) Returns the value of the index.
void	update(long value) Updates the value.

Methods inherited from class java.lang.Object

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

Constructor Detail

UniformHistogram

public UniformHistogram(long binWidth,
                int numBins)

Constructs a histogram.

Parameters:

binWidth - the width of each bin

numBins - the number of bins

Method Detail

update

public void update(long value)

Updates the value.

Specified by:

update in interface Histogram

Parameters:

value -

getCount

public long getCount()

Returns the number of recorded values.

Specified by:

getCount in interface Histogram

Returns:

the number of recorded values

getValue

public long getValue(int index)

Returns the value of the index.

Specified by:

getValue in interface Histogram

Parameters:

index - the index

Returns:

the value of the index

getNumBins

public int getNumBins()

Returns the number of bins.

Specified by:

getNumBins in interface Histogram

Returns:

the number of bins