io.prestosql.operator.aggregation

Class GenericAccumulatorFactoryBinder

java.lang.Object

io.prestosql.operator.aggregation.GenericAccumulatorFactoryBinder

All Implemented Interfaces:

AccumulatorFactoryBinder

public class GenericAccumulatorFactoryBinder
extends Object
implements AccumulatorFactoryBinder

Constructor Summary

Constructors

Constructor and Description
GenericAccumulatorFactoryBinder(List<AggregationMetadata.AccumulatorStateDescriptor> stateDescriptors, Class<? extends Accumulator> accumulatorClass, Class<? extends GroupedAccumulator> groupedAccumulatorClass)

Method Summary

Modifier and Type	Method and Description
AccumulatorFactory	bind(List<Integer> argumentChannels, Optional<Integer> maskChannel, List<Type> sourceTypes, List<Integer> orderByChannels, List<SortOrder> orderings, PagesIndex.Factory pagesIndexFactory, boolean distinct, JoinCompiler joinCompiler, List<LambdaProvider> lambdaProviders, Session session)
List<AggregationMetadata.AccumulatorStateDescriptor>	getStateDescriptors()

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericAccumulatorFactoryBinder

public GenericAccumulatorFactoryBinder(List<AggregationMetadata.AccumulatorStateDescriptor> stateDescriptors,
                                       Class<? extends Accumulator> accumulatorClass,
                                       Class<? extends GroupedAccumulator> groupedAccumulatorClass)

Method Detail

bind

public AccumulatorFactory bind(List<Integer> argumentChannels,
                               Optional<Integer> maskChannel,
                               List<Type> sourceTypes,
                               List<Integer> orderByChannels,
                               List<SortOrder> orderings,
                               PagesIndex.Factory pagesIndexFactory,
                               boolean distinct,
                               JoinCompiler joinCompiler,
                               List<LambdaProvider> lambdaProviders,
                               Session session)

Specified by:

bind in interface AccumulatorFactoryBinder

getStateDescriptors

public List<AggregationMetadata.AccumulatorStateDescriptor> getStateDescriptors()