Module io.helidon.common.reactive

Package io.helidon.common.reactive

Class SequentialSubscriber<T>

java.lang.Object

io.helidon.common.reactive.SequentialSubscriber<T>

Type Parameters:

T - Type of the item

All Implemented Interfaces:

Flow.Subscriber<T>

public class SequentialSubscriber<T>
extends Object
implements Flow.Subscriber<T>

Wrapper Flow.Subscriber ensuring OnSubscribe, onNext, onError and onComplete to be signaled serially.

See Also:

• https://github.com/reactive-streams/reactive-streams-jvm#1.3

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SequentialSubscriber(Flow.Subscriber<T> subscriber)	Provides protection from untrusted publishers, enforces rule 1.3 by serializing all parallel calls.

Method Summary

Modifier and Type	Method	Description
static <T> SequentialSubscriber<T>	create(Flow.Subscriber<T> subscriber)	Wrapper Flow.Subscriber ensuring OnSubscribe, onNext, onError and onComplete to be signaled serially.
void	onComplete()
void	onError(Throwable throwable)
void	onNext(T item)
void	onSubscribe(Flow.Subscription subscription)

Methods inherited from class java.lang.Object

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

Constructor Details

SequentialSubscriber

protected SequentialSubscriber(Flow.Subscriber<T> subscriber)

Provides protection from untrusted publishers, enforces rule 1.3 by serializing all parallel calls.

Parameters:

subscriber - to be protected

Method Details

create

public static <T> SequentialSubscriber<T> create(Flow.Subscriber<T> subscriber)

Wrapper Flow.Subscriber ensuring OnSubscribe, onNext, onError and onComplete to be signaled serially.

Type Parameters:

T - item type

Parameters:

subscriber - Flow.Subscriber to be wrapped.

Returns:

new SequentialSubscriber

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>