com.illumon.numerics.movingaverages

Class Ema

java.lang.Object

com.illumon.numerics.movingaverages.AbstractMa

com.illumon.numerics.movingaverages.Ema

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

TradingHoursEma

public class Ema
extends AbstractMa
implements Serializable

Created by IntelliJ IDEA. User: dkent Date: Feb 28, 2007 Time: 1:42:08 PM

An EMA.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.illumon.numerics.movingaverages.AbstractMa

AbstractMa.Mode, AbstractMa.Type

Field Summary

Fields inherited from class com.illumon.numerics.movingaverages.AbstractMa

lastSample, lastTimestamp, mode, timeScale, type

Constructor Summary

Constructors

Constructor and Description
Ema(AbstractMa.Type type, AbstractMa.Mode mode, double timeScale) Constructs a new EMA which use the given timescale.

Method Summary

Modifier and Type	Method and Description
double	getCurrent() Gets the current value of the ema.
protected void	processDoubleLocal(long timestamp, double data)
void	reset()
void	setCurrent(double value) Sets the current value of the ema state.

Methods inherited from class com.illumon.numerics.movingaverages.AbstractMa

getLastSample, getLastTimestamp, getTimeScale, processDouble, setTimeScale

Methods inherited from class java.lang.Object

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

Constructor Detail

Ema

public Ema(AbstractMa.Type type,
           AbstractMa.Mode mode,
           double timeScale)

Constructs a new EMA which use the given timescale.

Parameters:

type - type of EMA

mode - compute the ema by tick or time

timeScale - timescale for the EMAs.

Method Detail

processDoubleLocal

protected void processDoubleLocal(long timestamp,
                                  double data)

Specified by:

processDoubleLocal in class AbstractMa

getCurrent

public double getCurrent()

Gets the current value of the ema.

Specified by:

getCurrent in class AbstractMa

Returns:

current value of the ema.

setCurrent

public void setCurrent(double value)

Sets the current value of the ema state.

Specified by:

setCurrent in class AbstractMa

Parameters:

value - new value of the ema state.

reset

public void reset()

Specified by:

reset in class AbstractMa