org.openjdk.jmc.flightrecorder.rules.jdk.dataproviders

Class ObjectStatisticsDataProvider.IncreaseCalculator

java.lang.Object

org.openjdk.jmc.flightrecorder.rules.jdk.dataproviders.ObjectStatisticsDataProvider.IncreaseCalculator

All Implemented Interfaces:

IItemConsumer<ObjectStatisticsDataProvider.IncreaseCalculator>, Combinable<ObjectStatisticsDataProvider.IncreaseCalculator>

Enclosing class:

ObjectStatisticsDataProvider

private static class ObjectStatisticsDataProvider.IncreaseCalculator
extends java.lang.Object
implements IItemConsumer<ObjectStatisticsDataProvider.IncreaseCalculator>, Combinable<ObjectStatisticsDataProvider.IncreaseCalculator>

Field Summary

Fields

Modifier and Type	Field and Description
private IQuantity	maxX
private IQuantity	minX
private IMemberAccessor<IQuantity,IItem>	xAccessor
private IMemberAccessor<IQuantity,IItem>	yAccessor
private IQuantity	yAtMaxX
private IQuantity	yAtMinX

Constructor Summary

Constructors

Constructor and Description
IncreaseCalculator(IMemberAccessor<IQuantity,IItem> xAccessor, IMemberAccessor<IQuantity,IItem> yAccessor)

Method Summary

Modifier and Type	Method and Description
private void	add(IQuantity x, IQuantity y)
ObjectStatisticsDataProvider.IncreaseCalculator	combineWith(ObjectStatisticsDataProvider.IncreaseCalculator other) Combine this object with another object if it is possible and return a combined object.
void	consume(IItem item) Consumes another item.
ObjectStatisticsDataProvider.IncreaseCalculator	merge(ObjectStatisticsDataProvider.IncreaseCalculator other) Merges this object with the supplied object.

Methods inherited from class java.lang.Object

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

Field Detail

xAccessor

private final IMemberAccessor<IQuantity,IItem> xAccessor

yAccessor

private final IMemberAccessor<IQuantity,IItem> yAccessor

minX

private IQuantity minX

yAtMinX

private IQuantity yAtMinX

maxX

private IQuantity maxX

yAtMaxX

private IQuantity yAtMaxX

Constructor Detail

IncreaseCalculator

IncreaseCalculator(IMemberAccessor<IQuantity,IItem> xAccessor,
                   IMemberAccessor<IQuantity,IItem> yAccessor)

Method Detail

consume

public void consume(IItem item)

Description copied from interface: IItemConsumer

Consumes another item.

Specified by:

consume in interface IItemConsumer<ObjectStatisticsDataProvider.IncreaseCalculator>

add

private void add(IQuantity x,
                 IQuantity y)

merge

public ObjectStatisticsDataProvider.IncreaseCalculator merge(ObjectStatisticsDataProvider.IncreaseCalculator other)

Description copied from interface: IItemConsumer

Merges this object with the supplied object. Normally this is another item consumer of the same type and the output result is a consumer with an internal state that reflects the state of both the current consumer and the input value.

Specified by:

merge in interface IItemConsumer<ObjectStatisticsDataProvider.IncreaseCalculator>

Parameters:

other - another instance to merge with

Returns:

the merged instance

combineWith

public ObjectStatisticsDataProvider.IncreaseCalculator combineWith(ObjectStatisticsDataProvider.IncreaseCalculator other)

Description copied from interface: Combinable

Combine this object with another object if it is possible and return a combined object. This method may determine that it is not possible to combine the objects and return null in that case.

Specified by:

combineWith in interface Combinable<ObjectStatisticsDataProvider.IncreaseCalculator>

Parameters:

other - an object to combine this object with

Returns:

a combined object, or null if the objects shouldn't be combined