Package trade.invision.indicators.indicators.previous

Class PreviousRatio

java.lang.Object

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

trade.invision.indicators.indicators.previous.PreviousRatio

Direct Known Subclasses:

ClosePriceRatio, PreviousPercentChange, VolumeRatio

public class PreviousRatio
extends Indicator<Num>

PreviousRatio is a Num Indicator to provide the current value divided 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	PreviousRatio(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 PreviousRatio	previousRatio(Indicator<Num> indicator)	Calls previousRatio(Indicator, int) with n set to 1.
static PreviousRatio	previousRatio(Indicator<Num> indicator, int n)	Gets a PreviousRatio.

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

PreviousRatio

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

Method Details

previousRatio

public static PreviousRatio previousRatio(Indicator<Num> indicator)

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

previousRatio

public static PreviousRatio previousRatio(Indicator<Num> indicator,
 int n)

Gets a PreviousRatio.

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)