Package com.illumon.iris.db.v2.updateby.sum

Class LongCumSumOperator

java.lang.Object

com.illumon.iris.db.v2.updateby.internal.BaseLongUpdateByOperator

com.illumon.iris.db.v2.updateby.sum.LongCumSumOperator

All Implemented Interfaces:

UpdateByOperator

public class LongCumSumOperator
extends BaseLongUpdateByOperator

Nested Class Summary

Nested classes/interfaces inherited from class com.illumon.iris.db.v2.updateby.internal.BaseLongUpdateByOperator

BaseLongUpdateByOperator.Context

Nested classes/interfaces inherited from interface com.illumon.iris.db.v2.updateby.UpdateByOperator

UpdateByOperator.UpdateContext

Field Summary

Fields inherited from class com.illumon.iris.db.v2.updateby.internal.BaseLongUpdateByOperator

affectingColumns, bucketLastVal, initialized, isRedirected, maybeInnerSource, outputSource, pair, singletonGroup, singletonVal

Fields inherited from interface com.illumon.iris.db.v2.updateby.UpdateByOperator

ZERO_LENGTH_OP_ARRAY

Constructor Summary

Constructors

Constructor	Description
LongCumSumOperator(MatchPair pair, RedirectionIndex redirectionIndex)

Method Summary

Modifier and Type	Method	Description
void	addChunk(UpdateByOperator.UpdateContext context, Chunk<Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> keyChunk, IntChunk<Attributes.KeyIndices> bucketPositions, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> runLengths)	Add a chunk of bucketed items to the operation.
protected void	doAddChunk(BaseLongUpdateByOperator.Context ctx, OrderedKeys inputKeys, Chunk<Attributes.Values> workingChunk, long groupPosition)	Add a chunk of values to the operator.

Methods inherited from class com.illumon.iris.db.v2.updateby.internal.BaseLongUpdateByOperator

addChunk, anyModified, applyOutputShift, applyShift, canProcessNormalUpdate, finishFor, getAdditionalModifications, getAffectingColumnNames, getInputColumnName, getOutputColumnNames, getOutputColumns, initializeFor, initializeForUpdate, makeUpdateContext, modifyChunk, onBucketsRemoved, removeChunk, reprocessChunk, reprocessChunk, requiresKeys, requiresValues, resetForReprocess, resetForReprocess, setBucketCapacity, setChunkSize, startTrackingPrev

Methods inherited from class java.lang.Object

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

Constructor Details

LongCumSumOperator

public LongCumSumOperator(@NotNull
 MatchPair pair,
 @Nullable
 RedirectionIndex redirectionIndex)

Method Details

addChunk

public void addChunk(@NotNull
 UpdateByOperator.UpdateContext context,
 @NotNull
 Chunk<Attributes.Values> values,
 @NotNull
 LongChunk<? extends Attributes.KeyIndices> keyChunk,
 @NotNull
 IntChunk<Attributes.KeyIndices> bucketPositions,
 @NotNull
 IntChunk<Attributes.ChunkPositions> startPositions,
 @NotNull
 IntChunk<Attributes.ChunkLengths> runLengths)

Description copied from interface: UpdateByOperator

Add a chunk of bucketed items to the operation.

Parameters:

context - the context object

values - the value chunk

keyChunk - a chunk of keys for the rows being added

bucketPositions - a chunk of hash bucket positions for each key

startPositions - the start position of a run within the chunk

runLengths - the runLengths of each run of bucket values

doAddChunk

protected void doAddChunk(@NotNull
 BaseLongUpdateByOperator.Context ctx,
 @NotNull
 OrderedKeys inputKeys,
 @NotNull
 Chunk<Attributes.Values> workingChunk,
 long groupPosition)

Description copied from class: BaseLongUpdateByOperator

Add a chunk of values to the operator.

Specified by:

doAddChunk in class BaseLongUpdateByOperator

Parameters:

ctx - the context object

inputKeys - the input keys for the chunk

workingChunk - the chunk of values

groupPosition - the bucket position that the values belong to.