org.attribyte.essem.metrics

Class HDRReservoir.HDRSnapshot

java.lang.Object

Snapshot

org.attribyte.essem.metrics.HDRReservoir.HDRSnapshot

Enclosing class:

HDRReservoir

public static final class HDRReservoir.HDRSnapshot
extends Snapshot

A specialized snapshot that contains both the "total" histogram (since start), and the one collected since getSnapshot was last called.

Method Summary

Modifier and Type	Method and Description
void	dump(java.io.OutputStream output)
HDRReservoir.HDRSnapshot	fromHistogram(Histogram histogram) Creates a snapshot from a HDR histogram.
Histogram	getHistogram() Gets the HDR histogram.
long	getMax()
double	getMean()
long	getMin()
double	getStdDev()
double	getValue(double quantile)
long[]	getValues()
HDRReservoir.HDRSnapshot	sinceLastSnapshot() Gets the snapshot that includes only values recorded since the last snapshot.
int	size()
HDRReservoir.HDRSnapshot	totalSnapshot() Gets the snapshot of the total histogram.

Methods inherited from class java.lang.Object

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

Method Detail

fromHistogram

public HDRReservoir.HDRSnapshot fromHistogram(Histogram histogram)

Creates a snapshot from a HDR histogram.

Parameters:

histogram - The histogram.

Returns:

The snapshot.

totalSnapshot

public HDRReservoir.HDRSnapshot totalSnapshot()

Gets the snapshot of the total histogram.

Returns:

The snapshot.

sinceLastSnapshot

public HDRReservoir.HDRSnapshot sinceLastSnapshot()

Gets the snapshot that includes only values recorded since the last snapshot.

Returns:

The snapshot.

getHistogram

public Histogram getHistogram()

Gets the HDR histogram.

Returns:

The histogram.

getValue

public double getValue(double quantile)

getValues

public long[] getValues()

size

public int size()

getMax

public long getMax()

getMean

public double getMean()

getMin

public long getMin()

getStdDev

public double getStdDev()

dump

public void dump(java.io.OutputStream output)