Package io.deephaven.api.updateby.spec

Class EmsSpec

java.lang.Object

io.deephaven.api.updateby.spec.UpdateBySpecBase

io.deephaven.api.updateby.spec.EmsSpec

All Implemented Interfaces:

UpdateBySpec

@Immutable
public abstract class EmsSpec
extends UpdateBySpecBase

A UpdateBySpec for performing an Exponential Moving Sum 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
EmsSpec()

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 EmsSpec	of(OperationControl control, WindowScale windowScale)
static EmsSpec	of(WindowScale windowScale)
static EmsSpec	ofTicks(double tickWindow)
static EmsSpec	ofTicks(OperationControl control, double tickWindow)
static EmsSpec	ofTime(OperationControl control, String timestampCol, long timeScaleNanos)
static EmsSpec	ofTime(OperationControl control, String timestampCol, Duration emaDuration)
static EmsSpec	ofTime(String timestampCol, long timeScaleNanos)
static EmsSpec	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

EmsSpec

public EmsSpec()

Method Details

of

public static EmsSpec of(OperationControl control,
 WindowScale windowScale)

of

public static EmsSpec of(WindowScale windowScale)

ofTime

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

ofTime

public static EmsSpec ofTime(String timestampCol,
 long timeScaleNanos)

ofTime

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

ofTime

public static EmsSpec ofTime(String timestampCol,
 Duration emaDuration)

ofTicks

public static EmsSpec ofTicks(OperationControl control,
 double tickWindow)

ofTicks

public static EmsSpec 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)