Class MutableAggregation.MutableLastValueDouble

java.lang.Object

io.opencensus.implcore.stats.MutableAggregation

io.opencensus.implcore.stats.MutableAggregation.MutableLastValueDouble

Direct Known Subclasses:

MutableAggregation.MutableLastValueLong

Enclosing class:

MutableAggregation

static class MutableAggregation.MutableLastValueDouble
extends MutableAggregation

Calculate double last value on aggregated MeasureValues.

Nested Class Summary

Nested classes/interfaces inherited from class MutableAggregation

MutableAggregation.MutableCount, MutableAggregation.MutableDistribution, MutableAggregation.MutableLastValueDouble, MutableAggregation.MutableLastValueLong, MutableAggregation.MutableMean, MutableAggregation.MutableSumDouble, MutableAggregation.MutableSumLong

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	initialized
private double	lastValue

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MutableLastValueDouble()

Method Summary

Modifier and Type	Method	Description
(package private) void	add(double value, Map<String, AttachmentValue> attachments, Timestamp timestamp)	Put a new value into the MutableAggregation.
(package private) void	combine(MutableAggregation other, double fraction)	Combine the internal values of this MutableAggregation and value of the given MutableAggregation, with the given fraction.
(package private) static MutableAggregation.MutableLastValueDouble	create()	Construct a MutableLastValueDouble.
(package private) double	getLastValue()
(package private) AggregationData	toAggregationData()
(package private) Point	toPoint(Timestamp timestamp)

Methods inherited from class Object

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

Field Details

lastValue

private double lastValue

initialized

private boolean initialized

Constructor Details

MutableLastValueDouble

private MutableLastValueDouble()

Method Details

create

static MutableAggregation.MutableLastValueDouble create()

Construct a MutableLastValueDouble.

Returns:

an empty MutableLastValueDouble.

add

void add(double value,
 Map<String, AttachmentValue> attachments,
 Timestamp timestamp)

Description copied from class: MutableAggregation

Put a new value into the MutableAggregation.

Specified by:

add in class MutableAggregation

Parameters:

value - new value to be added to population

attachments - the contextual information on an Exemplar

timestamp - the timestamp when the value is recorded

combine

void combine(MutableAggregation other,
 double fraction)

Description copied from class: MutableAggregation

Combine the internal values of this MutableAggregation and value of the given MutableAggregation, with the given fraction. Then set the internal value of this MutableAggregation to the combined value.

Specified by:

combine in class MutableAggregation

Parameters:

other - the other MutableAggregation. The type of this and other MutableAggregation must match.

fraction - the fraction that the value in other MutableAggregation should contribute. Must be within [0.0, 1.0].

toAggregationData

AggregationData toAggregationData()

Specified by:

toAggregationData in class MutableAggregation

toPoint

Point toPoint(Timestamp timestamp)

Specified by:

toPoint in class MutableAggregation

getLastValue

double getLastValue()