Package trade.invision.indicators.indicators.cumulative

Class CumulativeSum

java.lang.Object

trade.invision.indicators.indicators.Indicator<Num>

trade.invision.indicators.indicators.cumulative.CumulativeSum

public class CumulativeSum
extends Indicator<Num>

CumulativeSum is a Num Indicator to provide the cumulative sum (summation) over a length of values. This is also known as a running total. In mathematical notation, this is denoted by a capital sigma.

See Also:

• Wikipedia

Nested Class Summary

Nested classes/interfaces inherited from class trade.invision.indicators.indicators.Indicator

Indicator.CacheSeries

Field Summary

Fields inherited from class trade.invision.indicators.indicators.Indicator

cachedAddCallCount, cachedIndex, cachedValue, cacheSeries, minimumStableIndex, series

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CumulativeSum(Indicator<Num> indicator, int length)

Method Summary

Modifier and Type	Method	Description
protected Num	calculate(long index)	Performs the calculation of this Indicator at the given index.
static CumulativeSum	cumulativeSum(Indicator<Num> indicator, int length)	Gets a CumulativeSum.
static CumulativeSum	summation(Indicator<Num> indicator, int length)

Methods inherited from class trade.invision.indicators.indicators.Indicator

caching, getMinimumStableIndex, getSeries, getValue, isCaching, numOf, numOf, numOf, numOf, numOfEight, numOfFive, numOfFour, numOfHalf, numOfHundred, numOfHundredth, numOfNegativeOne, numOfNine, numOfOne, numOfSeven, numOfSix, numOfTen, numOfTenth, numOfThousand, numOfThousandth, numOfThree, numOfTwo, numOfZero, purgeCache

Methods inherited from class java.lang.Object

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

Constructor Details

CumulativeSum

protected CumulativeSum(Indicator<Num> indicator,
 int length)

Method Details

summation

public static CumulativeSum summation(Indicator<Num> indicator,
 int length)

See Also:

• cumulativeSum(Indicator, int)

cumulativeSum

public static CumulativeSum cumulativeSum(Indicator<Num> indicator,
 int length)

Gets a CumulativeSum.

Parameters:

indicator - the Num Indicator

length - the number of values to sum over

calculate

protected Num calculate(long index)

Description copied from class: Indicator

Performs the calculation of this Indicator at the given index.

Specified by:

calculate in class Indicator<Num>

Parameters:

index - the index

Returns:

the result (never null)