io.prestosql.operator.aggregation.multimapagg

Class MultimapAggregationStateFactory

java.lang.Object

io.prestosql.operator.aggregation.multimapagg.MultimapAggregationStateFactory

All Implemented Interfaces:

AccumulatorStateFactory<MultimapAggregationState>

public class MultimapAggregationStateFactory
extends Object
implements AccumulatorStateFactory<MultimapAggregationState>

Constructor Summary

Constructors

Constructor and Description
MultimapAggregationStateFactory(Type keyType, Type valueType, MultimapAggGroupImplementation implementation)

Method Summary

Modifier and Type	Method and Description
MultimapAggregationState	createGroupedState()
MultimapAggregationState	createSingleState()
Class<? extends MultimapAggregationState>	getGroupedStateClass()
Class<? extends MultimapAggregationState>	getSingleStateClass()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultimapAggregationStateFactory

public MultimapAggregationStateFactory(Type keyType,
                                       Type valueType,
                                       MultimapAggGroupImplementation implementation)

Method Detail

createSingleState

public MultimapAggregationState createSingleState()

Specified by:

createSingleState in interface AccumulatorStateFactory<MultimapAggregationState>

getSingleStateClass

public Class<? extends MultimapAggregationState> getSingleStateClass()

Specified by:

getSingleStateClass in interface AccumulatorStateFactory<MultimapAggregationState>

createGroupedState

public MultimapAggregationState createGroupedState()

Specified by:

createGroupedState in interface AccumulatorStateFactory<MultimapAggregationState>

getGroupedStateClass

public Class<? extends MultimapAggregationState> getGroupedStateClass()

Specified by:

getGroupedStateClass in interface AccumulatorStateFactory<MultimapAggregationState>