Package com.arpnetworking.metrics.mad.model.statistics

Class HistogramStatistic.Histogram

java.lang.Object

com.arpnetworking.metrics.mad.model.statistics.HistogramStatistic.Histogram

Enclosing class:

HistogramStatistic

public static final class HistogramStatistic.Histogram
extends Object

A simple histogram implementation.

Constructor Summary

Constructors

Constructor	Description
Histogram()	Public constructor.
Histogram(int precision)	Public constructor.

Method Summary

Modifier and Type	Method	Description
void	add(HistogramStatistic.HistogramSnapshot histogramSnapshot)	Adds a histogram snapshot to this one.
HistogramStatistic.HistogramSnapshot	getSnapshot()
void	recordPacked(long packed, long count)	Records a packed value into the histogram.
void	recordValue(double value)	Records a value into the histogram.
void	recordValue(double value, long count)	Records a value into the histogram.

Methods inherited from class java.lang.Object

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

Constructor Details

Histogram

public Histogram()

Public constructor.

Histogram

public Histogram(int precision)

Public constructor.

Parameters:

precision - the bits of mantissa precision in the bucket key

Method Details

recordValue

public void recordValue(double value,
 long count)

Records a value into the histogram.

Parameters:

value - The value of the entry.

count - The number of entries at this value.

recordValue

public void recordValue(double value)

Records a value into the histogram.

Parameters:

value - The value of the entry.

recordPacked

public void recordPacked(long packed,
 long count)

Records a packed value into the histogram. The packed values must be at the precision that this HistogramStatistic.Histogram was declared with!

Parameters:

packed - The packed bucket key.

count - The number of entries at this value.

add

public void add(HistogramStatistic.HistogramSnapshot histogramSnapshot)

Adds a histogram snapshot to this one.

Parameters:

histogramSnapshot - The histogram snapshot to add to this one.

getSnapshot

public HistogramStatistic.HistogramSnapshot getSnapshot()