Package com.yahoo.statistics

Class Value

java.lang.Object

com.yahoo.statistics.Handle

com.yahoo.statistics.Value

@Deprecated
public class Value
extends Handle

Deprecated.

A statistical variable, typically representing a sampling of an arbitrarily changing parameter.

Author:

Steinar Knutsen

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Value.Parameters	Deprecated. Parameters for building Value instances.

Constructor Summary

Constructors

Constructor	Description
Value(String name, Statistics manager, Value.Parameters parameters)	Deprecated. Configure a Value instance fully, no raw config access.

Method Summary

Modifier and Type	Method	Description
static Value	buildValue(String name, Statistics manager, Value.Parameters defaults)	Deprecated. Build a Value which should be initialized from config.
boolean	equals(Object o)	Deprecated.
double	get()	Deprecated. Get last value logged, 0 if nothing logged since reset.
double	getMax()	Deprecated. Get maximum value logged since last reset.
double	getMean()	Deprecated. Get mean value since last reset.
double	getMin()	Deprecated. Get minimal value logged since last reset.
int	hashCode()	Deprecated.
void	put(double x)	Deprecated. Insert x, do all pertinent operations.
void	reset()	Deprecated. Set last value logged container to 0, reset histogram and set all counters and derived statistics to 0.
void	runHandle()	Deprecated. Dump state to log and reset.
String	toString()	Deprecated.

Methods inherited from class com.yahoo.statistics.Handle

cancel, isCancelled, run, runCallback

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Value

public Value(String name,
             Statistics manager,
             Value.Parameters parameters)

Deprecated.

Configure a Value instance fully, no raw config access.

Parameters:

name - tag for logging

manager - the statistics manager acquired by injection

parameters - all the parameters necessary for initializing a Value

Throws:

IllegalStateException - if Parameters.limits exists and is not frozen

Method Detail

buildValue

public static Value buildValue(String name,
                               Statistics manager,
                               Value.Parameters defaults)

Deprecated.

Build a Value which should be initialized from config.

Parameters:

name - the name of the event in the log

manager - the current Statistics manager, acquired by injection

defaults - defaults for values not defined by config, this may be null

put

public void put(double x)

Deprecated.

Insert x, do all pertinent operations. (Update histogram, update insertion count for calculating mean, etc.)

getMean

public double getMean()

Deprecated.

Get mean value since last reset.

getMin

public double getMin()

Deprecated.

Get minimal value logged since last reset.

getMax

public double getMax()

Deprecated.

Get maximum value logged since last reset.

get

public double get()

Deprecated.

Get last value logged, 0 if nothing logged since reset.

reset

public void reset()

Deprecated.

Set last value logged container to 0, reset histogram and set all counters and derived statistics to 0.

runHandle

public void runHandle()

Deprecated.

Dump state to log and reset.

Specified by:

runHandle in class Handle

toString

public String toString()

Deprecated.

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Deprecated.

Specified by:

equals in class Handle

hashCode

public int hashCode()

Deprecated.

Specified by:

hashCode in class Handle