io.prestosql.operator.aggregation

Class GenericAccumulatorFactory

java.lang.Object

io.prestosql.operator.aggregation.GenericAccumulatorFactory

All Implemented Interfaces:

AccumulatorFactory

public class GenericAccumulatorFactory
extends Object
implements AccumulatorFactory

Constructor Summary

Constructors

Constructor and Description

GenericAccumulatorFactory(List<AggregationMetadata.AccumulatorStateDescriptor> stateDescriptors, Constructor<? extends Accumulator> accumulatorConstructor, Constructor<? extends GroupedAccumulator> groupedAccumulatorConstructor, List<LambdaProvider> lambdaProviders, List<Integer> inputChannels, Optional<Integer> maskChannel, List<Type> sourceTypes, List<Integer> orderByChannels, List<SortOrder> orderings, PagesIndex.Factory pagesIndexFactory, JoinCompiler joinCompiler, Session session, boolean distinct)

Method Summary

Modifier and Type	Method and Description
Accumulator	createAccumulator()
GroupedAccumulator	createGroupedAccumulator()
GroupedAccumulator	createGroupedIntermediateAccumulator()
Accumulator	createIntermediateAccumulator()
List<Integer>	getInputChannels()
boolean	hasDistinct()
boolean	hasOrderBy()

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericAccumulatorFactory

public GenericAccumulatorFactory(List<AggregationMetadata.AccumulatorStateDescriptor> stateDescriptors,
                                 Constructor<? extends Accumulator> accumulatorConstructor,
                                 Constructor<? extends GroupedAccumulator> groupedAccumulatorConstructor,
                                 List<LambdaProvider> lambdaProviders,
                                 List<Integer> inputChannels,
                                 Optional<Integer> maskChannel,
                                 List<Type> sourceTypes,
                                 List<Integer> orderByChannels,
                                 List<SortOrder> orderings,
                                 PagesIndex.Factory pagesIndexFactory,
                                 JoinCompiler joinCompiler,
                                 Session session,
                                 boolean distinct)

Method Detail

getInputChannels

public List<Integer> getInputChannels()

Specified by:

getInputChannels in interface AccumulatorFactory

createAccumulator

public Accumulator createAccumulator()

Specified by:

createAccumulator in interface AccumulatorFactory

createIntermediateAccumulator

public Accumulator createIntermediateAccumulator()

Specified by:

createIntermediateAccumulator in interface AccumulatorFactory

createGroupedAccumulator

public GroupedAccumulator createGroupedAccumulator()

Specified by:

createGroupedAccumulator in interface AccumulatorFactory

createGroupedIntermediateAccumulator

public GroupedAccumulator createGroupedIntermediateAccumulator()

Specified by:

createGroupedIntermediateAccumulator in interface AccumulatorFactory

hasOrderBy

public boolean hasOrderBy()

Specified by:

hasOrderBy in interface AccumulatorFactory

hasDistinct

public boolean hasDistinct()

Specified by:

hasDistinct in interface AccumulatorFactory