io.prestosql.operator.aggregation.state

Class HyperLogLogStateFactory

java.lang.Object

io.prestosql.operator.aggregation.state.HyperLogLogStateFactory

All Implemented Interfaces:

AccumulatorStateFactory<HyperLogLogState>

public class HyperLogLogStateFactory
extends Object
implements AccumulatorStateFactory<HyperLogLogState>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HyperLogLogStateFactory.GroupedHyperLogLogState
static class	HyperLogLogStateFactory.SingleHyperLogLogState

Constructor Summary

Constructors

Constructor and Description
HyperLogLogStateFactory()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

HyperLogLogStateFactory

public HyperLogLogStateFactory()

Method Detail

createSingleState

public HyperLogLogState createSingleState()

Specified by:

createSingleState in interface AccumulatorStateFactory<HyperLogLogState>

getSingleStateClass

public Class<? extends HyperLogLogState> getSingleStateClass()

Specified by:

getSingleStateClass in interface AccumulatorStateFactory<HyperLogLogState>

createGroupedState

public HyperLogLogState createGroupedState()

Specified by:

createGroupedState in interface AccumulatorStateFactory<HyperLogLogState>

getGroupedStateClass

public Class<? extends HyperLogLogState> getGroupedStateClass()

Specified by:

getGroupedStateClass in interface AccumulatorStateFactory<HyperLogLogState>