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

Class BigDecimalRollingStdOperator

java.lang.Object

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

io.deephaven.engine.table.impl.updateby.internal.BaseObjectUpdateByOperator<BigDecimal>

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

public class BigDecimalRollingStdOperator
extends BaseObjectUpdateByOperator<BigDecimal>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	BigDecimalRollingStdOperator.Context

Field Summary

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

colType, 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
BigDecimalRollingStdOperator(@NotNull MatchPair pair, @NotNull String[] affectingColumns, @Nullable String timestampColumnName, long reverseWindowScaleUnits, long forwardWindowScaleUnits, MathContext mathContext)

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.BaseObjectUpdateByOperator

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

BigDecimalRollingStdOperator

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

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