Package io.deephaven.api.updateby.spec

Class EmaSpec

java.lang.Object

io.deephaven.api.updateby.spec.UpdateBySpecBase

io.deephaven.api.updateby.spec.EmaSpec

All Implemented Interfaces:

UpdateBySpec

@Immutable
public abstract class EmaSpec
extends UpdateBySpecBase

A UpdateBySpec for performing an Exponential Moving Average across the specified columns

Nested Class Summary

Nested classes/interfaces inherited from interface io.deephaven.api.updateby.spec.UpdateBySpec

UpdateBySpec.Visitor<T>

Constructor Summary

Constructors

Constructor	Description
EmaSpec()

Method Summary

Modifier and Type	Method	Description
final boolean	applicableTo(Class<?> inputType)	Determine if this spec can be applied to the specified type
abstract Optional<OperationControl>	control()
final OperationControl	controlOrDefault()
static EmaSpec	of(OperationControl control, WindowScale windowScale)
static EmaSpec	of(WindowScale windowScale)
static EmaSpec	ofTicks(double tickWindow)
static EmaSpec	ofTicks(OperationControl control, double tickWindow)
static EmaSpec	ofTime(OperationControl control, String timestampCol, long timeScaleNanos)
static EmaSpec	ofTime(OperationControl control, String timestampCol, Duration emaDuration)
static EmaSpec	ofTime(String timestampCol, long timeScaleNanos)
static EmaSpec	ofTime(String timestampCol, Duration emaDuration)
final <T> T	walk(UpdateBySpec.Visitor<T> visitor)
abstract WindowScale	windowScale()

Methods inherited from class io.deephaven.api.updateby.spec.UpdateBySpecBase

clause, clause, clause, clause, clause

Methods inherited from class java.lang.Object

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

Constructor Details

EmaSpec

public EmaSpec()

Method Details

of

public static EmaSpec of(OperationControl control,
 WindowScale windowScale)

of

public static EmaSpec of(WindowScale windowScale)

ofTime

public static EmaSpec ofTime(OperationControl control,
 String timestampCol,
 long timeScaleNanos)

ofTime

public static EmaSpec ofTime(String timestampCol,
 long timeScaleNanos)

ofTime

public static EmaSpec ofTime(OperationControl control,
 String timestampCol,
 Duration emaDuration)

ofTime

public static EmaSpec ofTime(String timestampCol,
 Duration emaDuration)

ofTicks

public static EmaSpec ofTicks(OperationControl control,
 double tickWindow)

ofTicks

public static EmaSpec ofTicks(double tickWindow)

control

public abstract Optional<OperationControl> control()

windowScale

public abstract WindowScale windowScale()

controlOrDefault

public final OperationControl controlOrDefault()

applicableTo

public final boolean applicableTo(Class<?> inputType)

Description copied from interface: UpdateBySpec

Determine if this spec can be applied to the specified type

Parameters:

inputType - the specified input type

Returns:

true if this spec can be applied to the specified input type

walk

public final <T> T walk(UpdateBySpec.Visitor<T> visitor)