Package org.apache.kafka.streams.kstream.internals

Class KStreamWindowAggregate<K,V,Agg,W extends Window>

java.lang.Object

org.apache.kafka.streams.kstream.internals.KStreamWindowAggregate<K,V,Agg,W>

All Implemented Interfaces:

KStreamAggProcessorSupplier<K,Windowed<K>,V,Agg>, ConnectedStoreProvider, ProcessorSupplier<K,V>

public class KStreamWindowAggregate<K,V,Agg,W extends Window>
extends java.lang.Object
implements KStreamAggProcessorSupplier<K,Windowed<K>,V,Agg>

Constructor Summary

Constructors

Constructor	Description
KStreamWindowAggregate(Windows<W> windows, java.lang.String storeName, Initializer<Agg> initializer, Aggregator<? super K,? super V,Agg> aggregator)

Method Summary

Modifier and Type	Method	Description
void	enableSendingOldValues()
Processor<K,V>	get()	Return a new Processor instance.
KTableValueGetterSupplier<Windowed<K>,Agg>	view()
Windows<W>	windows()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.kafka.streams.processor.ConnectedStoreProvider

stores

Constructor Detail

KStreamWindowAggregate

public KStreamWindowAggregate(Windows<W> windows,
                              java.lang.String storeName,
                              Initializer<Agg> initializer,
                              Aggregator<? super K,? super V,Agg> aggregator)

Method Detail

get

public Processor<K,V> get()

Description copied from interface: ProcessorSupplier

Return a new Processor instance.

Specified by:

get in interface ProcessorSupplier<K,V>

Returns:

a new Processor instance

windows

public Windows<W> windows()

enableSendingOldValues

public void enableSendingOldValues()

Specified by:

enableSendingOldValues in interface KStreamAggProcessorSupplier<K,V,Agg,W extends Window>

view

public KTableValueGetterSupplier<Windowed<K>,Agg> view()

Specified by:

view in interface KStreamAggProcessorSupplier<K,V,Agg,W extends Window>