org.openspaces.admin.internal.alert.bean.util

Class MovingAverageStatistics

java.lang.Object

org.openspaces.admin.internal.alert.bean.util.MovingAverageStatistics

public class MovingAverageStatistics
extends Object

A map between a grid components uid to its statistics. The statistics are used to calculate moving average. Created by moran on 3/3/15.

Since:

10.1.0

Constructor Summary

Constructors

Constructor and Description
MovingAverageStatistics(int period)

Method Summary

Modifier and Type	Method and Description
void	addStatistics(String key, double value) statistics values are aggregated per-key.
void	clear() clear all values mapped
void	clear(String key)
double	getAverage(String key)
double	getAverageAndReset(String key) get the average and reset the moving-average time-window to return a only after all samples are available again.
String	toString()
String	toString(String key)

Methods inherited from class java.lang.Object

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

Constructor Detail

MovingAverageStatistics

public MovingAverageStatistics(int period)

Parameters:

period - number of samples in measurement period

Method Detail

addStatistics

public void addStatistics(String key,
                          double value)

statistics values are aggregated per-key.

getAverageAndReset

public double getAverageAndReset(String key)

get the average and reset the moving-average time-window to return a only after all samples are available again.

Returns:

get the average statistics values per key; returns -1 of not all samples are available.

getAverage

public double getAverage(String key)

Returns:

get the average statistics values per key; returns -1 of not all samples are available.

clear

public void clear(String key)

Parameters:

key - values under this key will be removed

clear

public void clear()

clear all values mapped

toString

public String toString()

Overrides:

toString in class Object

toString

public String toString(String key)

Returns:

a toString of the specific key