Module id.xfunction

Package id.xfunction.concurrent.flow

Class TransformSubscriber<T,R>

Object

TransformSubscriber<T,R>

Type Parameters:

T - input type (type of a Publisher)

R - output type (type of an existing Subscriber)

All Implemented Interfaces:

Flow.Subscriber<T>

public class TransformSubscriber<T,R>
extends Object
implements Flow.Subscriber<T>

Transformer Flow.Subscriber allows to subscribe existing Flow.Subscriber of type R to a Flow.Publisher of type T.

The transformation of items from T to R is done with a given transformer Function

Constructor Summary

Constructors

Constructor	Description
TransformSubscriber(Flow.Subscriber<? super R> targetSubscriber, Function<T,Optional<R>> transformer)

Method Summary

Modifier and Type	Method	Description
void	onComplete()
void	onError(Throwable throwable)
void	onNext(T item)
void	onSubscribe(Flow.Subscription subscription)

Methods inherited from class Object

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

Constructor Details

TransformSubscriber

public TransformSubscriber(Flow.Subscriber<? super R> targetSubscriber,
 Function<T,Optional<R>> transformer)

Parameters:

transformer - function to transform items from Flow.Publisher to target Flow.Subscriber. If transformer returns empty message it will be ignored.

Method Details

onSubscribe

public void onSubscribe(Flow.Subscription subscription)

Specified by:

onSubscribe in interface Flow.Subscriber<T>

onNext

public void onNext(T item)

Specified by:

onNext in interface Flow.Subscriber<T>

onError

public void onError(Throwable throwable)

Specified by:

onError in interface Flow.Subscriber<T>

onComplete

public void onComplete()

Specified by:

onComplete in interface Flow.Subscriber<T>