Package io.prestosql.operator.aggregation

Class StringApproximateMostFrequentStateFactory

java.lang.Object

io.prestosql.operator.aggregation.StringApproximateMostFrequentStateFactory

All Implemented Interfaces:

AccumulatorStateFactory<VarcharApproximateMostFrequent.State>

public class StringApproximateMostFrequentStateFactory
extends Object
implements AccumulatorStateFactory<VarcharApproximateMostFrequent.State>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StringApproximateMostFrequentStateFactory.GroupedLongApproximateMostFrequentState
static class	StringApproximateMostFrequentStateFactory.SingleLongApproximateMostFrequentState

Constructor Summary

Constructors

Constructor	Description
StringApproximateMostFrequentStateFactory()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

StringApproximateMostFrequentStateFactory

public StringApproximateMostFrequentStateFactory()

Method Detail

createSingleState

public VarcharApproximateMostFrequent.State createSingleState()

Specified by:

createSingleState in interface AccumulatorStateFactory<VarcharApproximateMostFrequent.State>

getSingleStateClass

public Class<? extends VarcharApproximateMostFrequent.State> getSingleStateClass()

Specified by:

getSingleStateClass in interface AccumulatorStateFactory<VarcharApproximateMostFrequent.State>

createGroupedState

public VarcharApproximateMostFrequent.State createGroupedState()

Specified by:

createGroupedState in interface AccumulatorStateFactory<VarcharApproximateMostFrequent.State>

getGroupedStateClass

public Class<? extends VarcharApproximateMostFrequent.State> getGroupedStateClass()

Specified by:

getGroupedStateClass in interface AccumulatorStateFactory<VarcharApproximateMostFrequent.State>