Package org.ta4j.core.indicators.bollinger

Class BollingerBandWidthIndicator

java.lang.Object

org.ta4j.core.indicators.AbstractIndicator<T>

org.ta4j.core.indicators.CachedIndicator<Num>

org.ta4j.core.indicators.bollinger.BollingerBandWidthIndicator

All Implemented Interfaces:

Indicator<Num>

public class BollingerBandWidthIndicator
extends CachedIndicator<Num>

Bollinger BandWidth indicator.

See Also:

http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:bollinger_band_width

Field Summary

Fields inherited from class org.ta4j.core.indicators.CachedIndicator

highestResultIndex

Fields inherited from class org.ta4j.core.indicators.AbstractIndicator

log

Constructor Summary

Constructors

Constructor	Description
BollingerBandWidthIndicator(BollingerBandsUpperIndicator bbu, BollingerBandsMiddleIndicator bbm, BollingerBandsLowerIndicator bbl)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Num	calculate(int index)

Methods inherited from class org.ta4j.core.indicators.CachedIndicator

getValue

Methods inherited from class org.ta4j.core.indicators.AbstractIndicator

getBarSeries, numOf, toString

Methods inherited from class java.lang.Object

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

Constructor Details

BollingerBandWidthIndicator

public BollingerBandWidthIndicator(BollingerBandsUpperIndicator bbu,
 BollingerBandsMiddleIndicator bbm,
 BollingerBandsLowerIndicator bbl)

Constructor.

Parameters:

bbu - the upper band Indicator.

bbm - the middle band Indicator. Typically an SMAIndicator is used.

bbl - the lower band Indicator.

Method Details

calculate

protected Num calculate(int index)

Specified by:

calculate in class CachedIndicator<Num>

Parameters:

index - the bar index

Returns:

the value of the indicator