Package trade.invision.indicators.indicators.previous

Class PreviousDifference

java.lang.Object

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

trade.invision.indicators.indicators.previous.PreviousDifference

Direct Known Subclasses:

ClosePriceDifference, Gain, Loss, VolumeDifference

public class PreviousDifference
extends Indicator<Num>

PreviousDifference is a Num Indicator to provide the current value subtracted by the n-th previous value.

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	PreviousDifference(Indicator<Num> indicator, int n)

Method Summary

Modifier and Type	Method	Description
protected Num	calculate(long index)	Performs the calculation of this Indicator at the given index.
static PreviousDifference	previousDifference(Indicator<Num> indicator)	Calls previousDifference(Indicator, int) with n set to 1.
static PreviousDifference	previousDifference(Indicator<Num> indicator, int n)	Gets a PreviousDifference.

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

PreviousDifference

protected PreviousDifference(Indicator<Num> indicator,
 int n)

Method Details

previousDifference

public static PreviousDifference previousDifference(Indicator<Num> indicator)

Calls previousDifference(Indicator, int) with n set to 1.

previousDifference

public static PreviousDifference previousDifference(Indicator<Num> indicator,
 int n)

Gets a PreviousDifference.

Parameters:

indicator - the Num Indicator

n - the previous n-th value to look back at

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)