Package trade.invision.indicators.indicators.previous

Class PreviousValue<T>

java.lang.Object

trade.invision.indicators.indicators.Indicator<T>

trade.invision.indicators.indicators.CachelessIndicator<T>

trade.invision.indicators.indicators.previous.PreviousValue<T>

Type Parameters:

T - the type

public class PreviousValue<T>
extends CachelessIndicator<T>

PreviousValue is an Indicator to provide 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	PreviousValue(Indicator<T> indicator, int n)

Method Summary

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

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

caching

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

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

PreviousValue

protected PreviousValue(Indicator<T> indicator,
 int n)

Method Details

previousValue

public static <T> PreviousValue<T> previousValue(Indicator<T> indicator)

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

previousValue

public static <T> PreviousValue<T> previousValue(Indicator<T> indicator,
 int n)

Gets a PreviousValue.

Parameters:

indicator - the Indicator

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

calculate

protected T calculate(long index)

Description copied from class: Indicator

Performs the calculation of this Indicator at the given index.

Specified by:

calculate in class Indicator<T>

Parameters:

index - the index

Returns:

the result (never null)