Module id.xfunction

Package id.xfunction.concurrent.flow

Class DelegateSubscriber<T>

Object

DelegateSubscriber<T>

All Implemented Interfaces:

Flow.Subscriber<T>

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

Subscriber which wraps original subscriber and delegates all calls to it.

It allows to override behavior of the original subscriber without redefining all methods of it but only those which are of the interest.

Field Summary

Fields

Modifier and Type	Field	Description
protected Flow.Subscription	subscription

Constructor Summary

Constructors

Constructor	Description
DelegateSubscriber(Flow.Subscriber<T> subscriber)

Method Summary

Modifier and Type	Method	Description
Optional<Flow.Subscription>	getSubscription()	Returns subscription if subscriber is already subscribed
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

Field Details

subscription

protected Flow.Subscription subscription

Constructor Details

DelegateSubscriber

public DelegateSubscriber(Flow.Subscriber<T> subscriber)

Method Details

onSubscribe

public void onSubscribe(Flow.Subscription subscription)
                 throws PreconditionException

Specified by:

onSubscribe in interface Flow.Subscriber<T>

Throws:

PreconditionException

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>

getSubscription

public Optional<Flow.Subscription> getSubscription()

Returns subscription if subscriber is already subscribed