one.microstream.functional

Class AggregateCount<E>

java.lang.Object

one.microstream.functional.AggregateCount<E>

All Implemented Interfaces:

Consumer<E>, Aggregator<E,Long>

public final class AggregateCount<E>
extends Object
implements Aggregator<E,Long>

Nested Class Summary

Nested classes/interfaces inherited from interface one.microstream.functional.Aggregator

Aggregator.Creator<E,R>

Constructor Summary

Constructors

Constructor and Description
AggregateCount()

Method Summary

Modifier and Type	Method and Description
void	accept(E element) Aggregate single element to the collecting object.
Long	yield() Builds or aggregates the added elements to one collected object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface one.microstream.functional.Aggregator

reset

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Detail

AggregateCount

public AggregateCount()

Method Detail

accept

public final void accept(E element)

Description copied from interface: Aggregator

Aggregate single element to the collecting object.

Specified by:

accept in interface Consumer<E>

Specified by:

accept in interface Aggregator<E,Long>

Parameters:

element - to aggregate

yield

public final Long yield()

Description copied from interface: Aggregator

Builds or aggregates the added elements to one collected object.

Specified by:

yield in interface Aggregator<E,Long>

Returns:

the collected object