org.openspaces.admin.internal.pu.statistics

Class StatisticsObjectList

java.lang.Object

org.openspaces.admin.internal.pu.statistics.StatisticsObjectList

public class StatisticsObjectList
extends Object

A List of Objects that supports min,max,percentile operations if the Objects implement Comparable and supports average operation if the Objects implement Number

Since:

9.0.0

Author:

itaif

Constructor Summary

Constructors

Constructor and Description
StatisticsObjectList()

Method Summary

Modifier and Type	Method and Description
void	add(Object value, long timeStampMillis) Adds the specified object to the list
Double	getAverage()
Double	getDeltaValuePerMilliSecond()
Double	getDeltaValuePerNanoSecond()
Double	getDeltaValuePerSecond()
Object	getLast()
Object	getMaximum()
Object	getMinimum()
Object	getPercentile(double percentile)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticsObjectList

public StatisticsObjectList()

Method Detail

add

public void add(Object value,
                long timeStampMillis)

Adds the specified object to the list

getAverage

public Double getAverage()

Returns:

the average values (cast to double) of the object in the list or null if the list is empty

Throws:

ClassCastException - if any object in the list is not a Number

getMinimum

public Object getMinimum()

Returns:

the minimum (natural order) value object in the list or null if the list is empty.

Throws:

ClassCastException - if any object in the list is not a Comparable

getMaximum

public Object getMaximum()

Returns:

the maximum (natural order) value object in the list or null if the list is empty.

Throws:

ClassCastException - if any object in the list is not a Comparable

getLast

public Object getLast()

Returns:

the last added sample or null if the list is empty.

getPercentile

public Object getPercentile(double percentile)

Returns:

the specified percentile (natural order) value object in the list or null if the list is empty.

Throws:

ClassCastException - if any object in the list is not a Comparable

IllegalArgumentException - if percentile is bigger than 100 or less than 0

getDeltaValuePerNanoSecond

public Double getDeltaValuePerNanoSecond()

Returns:

the (last-first)/deltaTimeInNanos (cast to double) of the object in the list or null if the are less then 2 values

Throws:

ClassCastException - if any object in the list is not a Number

getDeltaValuePerMilliSecond

public Double getDeltaValuePerMilliSecond()

Returns:

the (last-first)/deltaTimeInMillis (cast to double) of the object in the list or null if the are less then 2 values

Throws:

ClassCastException - if any object in the list is not a Number

getDeltaValuePerSecond

public Double getDeltaValuePerSecond()

Returns:

the (last-first)/deltaTimeInSeconds (cast to double) of the object in the list or null if the are less then 2 values

Throws:

ClassCastException - if any object in the list is not a Number

toString

public String toString()

Overrides:

toString in class Object