Class EmaRTIndicator

java.lang.Object

com.wualabs.qtsurfer.engine.indicators.core.AbstractRTIndicator

com.wualabs.qtsurfer.engine.indicators.core.AbstractIncrementalRTIndicator

com.wualabs.qtsurfer.engine.indicators.core.AbstractDecorableIncrementalRTIndicator

com.wualabs.qtsurfer.engine.indicators.core.AbstractEmaRTIndicator

com.wualabs.qtsurfer.engine.indicators.averages.EmaRTIndicator

All Implemented Interfaces:

ClockAware, Resettable, CacheableRTIndicator, RTIndicator

public class EmaRTIndicator
extends AbstractEmaRTIndicator
implements CacheableRTIndicator

EMA RT Indicator

Constructor Summary

Constructors

Constructor	Description
EmaRTIndicator(int periods)
EmaRTIndicator(int periods, RTIndicator indicator)

Method Summary

Modifier and Type	Method	Description
String	signature()	Periods and source chain — the smoothing factor is 2 / (periods + 1), so periods alone pins the arithmetic.

Methods inherited from class AbstractEmaRTIndicator

nextValue

Methods inherited from class AbstractDecorableIncrementalRTIndicator

getIndicator, reset, setClockSupplier, update

Methods inherited from class AbstractIncrementalRTIndicator

getLastUpdateValue, getPeriodCycles, getPeriods, getPrevValue, initValue, isPeriodic, isReady, prevNextValue, setPeriods, tickValue

Methods inherited from class AbstractRTIndicator

equals, getDisplayHint, getMeta, getValue, hashCode, hide, isPoison, setValue, toString, toString, withDisplayHint, withMeta

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Resettable

reset

Methods inherited from interface RTIndicator

getDisplayHint, getId, getMeta, getValue, isHidden, isReady, ro, update, update, update

Constructor Details

EmaRTIndicator

public EmaRTIndicator(int periods)

EmaRTIndicator

public EmaRTIndicator(int periods,
 RTIndicator indicator)

Method Details

signature

public String signature()

Periods and source chain — the smoothing factor is 2 / (periods + 1), so periods alone pins the arithmetic.

Specified by:

signature in interface CacheableRTIndicator

Returns:

the identity, or null when this instance cannot state one (an unidentifiable source, a mode the implementation does not model) and must therefore compute live