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

Class BaseObjectBinaryOperator<T>

java.lang.Object

com.illumon.iris.db.v2.updateby.internal.BaseObjectUpdateByOperator<T>

com.illumon.iris.db.v2.updateby.internal.BaseObjectBinaryOperator<T>

All Implemented Interfaces:

UpdateByOperator

Direct Known Subclasses:

BigDecimalCumProdOperator, BigDecimalCumSumOperator, BigIntegerCumProdOperator, BigIntegerCumSumOperator, ComparableCumMinMaxOperator

public abstract class BaseObjectBinaryOperator<T>
extends BaseObjectUpdateByOperator<T>

Nested Class Summary

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

BaseObjectUpdateByOperator.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.BaseObjectUpdateByOperator

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
BaseObjectBinaryOperator(Class<T> type, MatchPair pair, String[] affectingColumns, RedirectionIndex redirectionIndex)

Method Summary

Modifier and Type	Method	Description
protected void	accumulate(ObjectChunk<T,Attributes.Values> asObject, BaseObjectUpdateByOperator<T>.Context ctx, int runStart, int runLength)
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(BaseObjectUpdateByOperator<T>.Context ctx, OrderedKeys inputKeys, Chunk<Attributes.Values> workingChunk, long groupPosition)	Add a chunk of values to the operator.
protected abstract T	doOperation(T bucketCurVal, T chunkCurVal)

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

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

BaseObjectBinaryOperator

public BaseObjectBinaryOperator(@NotNull
 Class<T> type,
 @NotNull
 MatchPair pair,
 @NotNull
 String[] affectingColumns,
 @Nullable
 RedirectionIndex redirectionIndex)

Method Details

doOperation

protected abstract T doOperation(T bucketCurVal,
 T chunkCurVal)

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
 BaseObjectUpdateByOperator<T>.Context ctx,
 @NotNull
 OrderedKeys inputKeys,
 @NotNull
 Chunk<Attributes.Values> workingChunk,
 long groupPosition)

Description copied from class: BaseObjectUpdateByOperator

Add a chunk of values to the operator.

Specified by:

doAddChunk in class BaseObjectUpdateByOperator<T>

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.

accumulate

protected void accumulate(@NotNull
 ObjectChunk<T,Attributes.Values> asObject,
 @NotNull
 BaseObjectUpdateByOperator<T>.Context ctx,
 int runStart,
 int runLength)