com.facebook.presto.operator.aggregation.state

Class KeyValuePairsStateFactory

java.lang.Object

com.facebook.presto.operator.aggregation.state.KeyValuePairsStateFactory

All Implemented Interfaces:

AccumulatorStateFactory<KeyValuePairsState>

public class KeyValuePairsStateFactory
extends Object
implements AccumulatorStateFactory<KeyValuePairsState>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KeyValuePairsStateFactory.GroupedState
static class	KeyValuePairsStateFactory.SingleState

Constructor Summary

Constructors

Constructor and Description
KeyValuePairsStateFactory(Type keyType, Type valueType)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyValuePairsStateFactory

public KeyValuePairsStateFactory(Type keyType,
                                 Type valueType)

Method Detail

createSingleState

public KeyValuePairsState createSingleState()

Specified by:

createSingleState in interface AccumulatorStateFactory<KeyValuePairsState>

getSingleStateClass

public Class<? extends KeyValuePairsState> getSingleStateClass()

Specified by:

getSingleStateClass in interface AccumulatorStateFactory<KeyValuePairsState>

createGroupedState

public KeyValuePairsState createGroupedState()

Specified by:

createGroupedState in interface AccumulatorStateFactory<KeyValuePairsState>

getGroupedStateClass

public Class<? extends KeyValuePairsState> getGroupedStateClass()

Specified by:

getGroupedStateClass in interface AccumulatorStateFactory<KeyValuePairsState>