Package io.deephaven.engine.table.impl.updateby.rollingstd

Class CharRollingStdOperator

java.lang.Object

io.deephaven.engine.table.impl.updateby.UpdateByOperator

io.deephaven.engine.table.impl.updateby.internal.BaseDoubleUpdateByOperator

io.deephaven.engine.table.impl.updateby.rollingstd.CharRollingStdOperator

public class CharRollingStdOperator
extends BaseDoubleUpdateByOperator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	CharRollingStdOperator.Context

Field Summary

Fields inherited from class io.deephaven.engine.table.impl.updateby.internal.BaseDoubleUpdateByOperator

maybeInnerSource, outputSource

Fields inherited from class io.deephaven.engine.table.impl.updateby.UpdateByOperator

affectingColumns, forwardWindowScaleUnits, inputModifiedColumnSet, isWindowed, outputModifiedColumnSet, pair, reverseWindowScaleUnits, rowRedirection, timestampColumnName

Constructor Summary

Constructors

Constructor	Description
CharRollingStdOperator(@NotNull MatchPair pair, @NotNull String[] affectingColumns, @Nullable String timestampColumnName, long reverseWindowScaleUnits, long forwardWindowScaleUnits)

Method Summary

Modifier and Type	Method	Description
UpdateByOperator	copy()	Create an uninitialized copy of this operator.
UpdateByOperator.Context	makeUpdateContext(int affectedChunkSize, int influencerChunkSize)	Make an UpdateByOperator.Context suitable for use with updates.

Methods inherited from class io.deephaven.engine.table.impl.updateby.internal.BaseDoubleUpdateByOperator

applyOutputShift, clearOutputRows, getOutputColumns, initializeCumulative, initializeSources, prepareForParallelPopulation, startTrackingPrev

Methods inherited from class io.deephaven.engine.table.impl.updateby.UpdateByOperator

createInputModifiedColumnSet, createOutputModifiedColumnSet, extractDownstreamModifiedColumnSet, finishUpdate, getAffectingColumnNames, getFwdWindowUnits, getInputColumnNames, getInputModifiedColumnSet, getOutputColumnNames, getOutputModifiedColumnSet, getPrevWindowUnits, getTimestampColumnName, initializeRolling, requiresRowPositions

Methods inherited from class java.lang.Object

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

Constructor Details

CharRollingStdOperator

public CharRollingStdOperator(@NotNull
 @NotNull MatchPair pair,
 @NotNull
 @NotNull String[] affectingColumns,
 @Nullable
 @Nullable String timestampColumnName,
 long reverseWindowScaleUnits,
 long forwardWindowScaleUnits)

Method Details

makeUpdateContext

@NotNull
public UpdateByOperator.Context makeUpdateContext(int affectedChunkSize,
 int influencerChunkSize)

Description copied from class: UpdateByOperator

Make an UpdateByOperator.Context suitable for use with updates.

Specified by:

makeUpdateContext in class UpdateByOperator

Parameters:

affectedChunkSize - The maximum size of affected chunks that will be provided during the update.

influencerChunkSize - The maximum size of influencer chunks that will be provided during the update.

Returns:

a new context

copy

public UpdateByOperator copy()

Description copied from class: UpdateByOperator

Create an uninitialized copy of this operator. UpdateByOperator.initializeSources(Table, RowRedirection) must be called before this operator can be used.

Specified by:

copy in class UpdateByOperator

Returns:

a copy of this operator