org.conqat.lib.commons.math

Class SumAggregator

java.lang.Object

org.conqat.lib.commons.math.PairwiseAggregatorBase

org.conqat.lib.commons.math.SumAggregator

All Implemented Interfaces:

IAggregator

public class SumAggregator
extends PairwiseAggregatorBase

Sum aggregator.

Author:

deissenb

Constructor Summary

Constructors

Constructor and Description
SumAggregator()

Method Summary

Modifier and Type	Method and Description
protected double	aggregate(double aggregate, double value) Calculate aggregate of two values.
double	getNeutralElement() Returns zero.

Methods inherited from class org.conqat.lib.commons.math.PairwiseAggregatorBase

aggregate

Methods inherited from class java.lang.Object

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

Constructor Detail

SumAggregator

public SumAggregator()

Method Detail

getNeutralElement

public double getNeutralElement()

Returns zero.

aggregate

protected double aggregate(double aggregate,
                           double value)

Calculate aggregate of two values.

Specified by:

aggregate in class PairwiseAggregatorBase

Parameters:

aggregate - the value that has been aggregated by previous pairwise aggregations

value - the new value