hu.akarnokd.reactive4java.reactive

Class Aggregate.Seeded<U,T>

java.lang.Object

hu.akarnokd.reactive4java.reactive.Aggregate.Seeded<U,T>

Type Parameters:

T - the input element type

U - the output element type

All Implemented Interfaces:

Observable<U>

Enclosing class:

Aggregate

public static final class Aggregate.Seeded<U,T>
extends java.lang.Object
implements Observable<U>

Apply an accumulator function over the observable source and submit the accumulated value to the returned observable.

Constructor Summary

Constructors

Constructor and Description
Seeded(Observable<? extends T> source, U seed, Func2<? super U,? super T,? extends U> accumulator) Constructor.

Method Summary

Modifier and Type	Method and Description
java.io.Closeable	register(Observer<? super U> observer) Registers an observer for the notification of Ts.

Methods inherited from class java.lang.Object

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

Constructor Detail

Seeded

public Seeded(Observable<? extends T> source,
              U seed,
              Func2<? super U,? super T,? extends U> accumulator)

Constructor.

Parameters:

source - the source observable

seed - the initial value of the accumulator

accumulator - the accumulator function where the first parameter is the current accumulated value and the second is the now received value.

Method Detail

register

@Nonnull
public java.io.Closeable register(@Nonnull
                                            Observer<? super U> observer)

Description copied from interface: Observable

Registers an observer for the notification of Ts.

Specified by:

register in interface Observable<U>

Parameters:

observer - the observer of Ts or any supertype of it

Returns:

the way of deregister the observer from this provider