io.prestosql.operator.aggregation.arrayagg

Class ArrayAggregationStateFactory

java.lang.Object

io.prestosql.operator.aggregation.arrayagg.ArrayAggregationStateFactory

All Implemented Interfaces:

AccumulatorStateFactory<ArrayAggregationState>

public class ArrayAggregationStateFactory
extends Object
implements AccumulatorStateFactory<ArrayAggregationState>

Constructor Summary

Constructors

Constructor and Description
ArrayAggregationStateFactory(Type type, ArrayAggGroupImplementation mode)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayAggregationStateFactory

public ArrayAggregationStateFactory(Type type,
                                    ArrayAggGroupImplementation mode)

Method Detail

createSingleState

public ArrayAggregationState createSingleState()

Specified by:

createSingleState in interface AccumulatorStateFactory<ArrayAggregationState>

getSingleStateClass

public Class<? extends ArrayAggregationState> getSingleStateClass()

Specified by:

getSingleStateClass in interface AccumulatorStateFactory<ArrayAggregationState>

createGroupedState

public ArrayAggregationState createGroupedState()

Specified by:

createGroupedState in interface AccumulatorStateFactory<ArrayAggregationState>

getGroupedStateClass

public Class<? extends ArrayAggregationState> getGroupedStateClass()

Specified by:

getGroupedStateClass in interface AccumulatorStateFactory<ArrayAggregationState>