io.servicetalk.concurrent.api

Class DemandCheckingSubscriber<T>

java.lang.Object

io.servicetalk.concurrent.api.DemandCheckingSubscriber<T>

Type Parameters:

T - Type of items received by the Subscriber.

All Implemented Interfaces:

PublisherSource.Subscriber<T>

public final class DemandCheckingSubscriber<T>
extends java.lang.Object
implements PublisherSource.Subscriber<T>

A PublisherSource.Subscriber that wraps another, and asserts that items are not delivered without sufficient demand.

Constructor Summary

Constructors

Constructor and Description
DemandCheckingSubscriber(PublisherSource.Subscriber<? super T> delegate) Create a new DemandCheckingSubscriber that delegates to delegate.

Method Summary

Modifier and Type	Method and Description
void	onComplete() Callback to signal completion of the PublisherSource for this Subscriber.
void	onError(java.lang.Throwable t) Callback to receive an error for this Subscriber.
void	onNext(T t) Callback to receive a data element for this Subscriber.
void	onSubscribe(PublisherSource.Subscription s) Callback to receive a PublisherSource.Subscription for this Subscriber.

Methods inherited from class java.lang.Object

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

Constructor Detail

DemandCheckingSubscriber

public DemandCheckingSubscriber(PublisherSource.Subscriber<? super T> delegate)

Create a new DemandCheckingSubscriber that delegates to delegate.

Parameters:

delegate - the PublisherSource.Subscriber to delegate to.

Method Detail

onSubscribe

public void onSubscribe(PublisherSource.Subscription s)

Description copied from interface: PublisherSource.Subscriber

Callback to receive a PublisherSource.Subscription for this Subscriber.

See Reactive Streams specifications for the rules about how and when this method will be invoked.

Specified by:

onSubscribe in interface PublisherSource.Subscriber<T>

Parameters:

s - PublisherSource.Subscription for this Subscriber.

onNext

public void onNext(T t)

Description copied from interface: PublisherSource.Subscriber

Callback to receive a data element for this Subscriber.

See Reactive Streams specifications for the rules about how and when this method will be invoked.

Specified by:

onNext in interface PublisherSource.Subscriber<T>

Parameters:

t - A data element.

onError

public void onError(java.lang.Throwable t)

Description copied from interface: PublisherSource.Subscriber

Callback to receive an error for this Subscriber.

See Reactive Streams specifications for the rules about how and when this method will be invoked.

Specified by:

onError in interface PublisherSource.Subscriber<T>

Parameters:

t - error for this Subscriber.

onComplete

public void onComplete()

Description copied from interface: PublisherSource.Subscriber

Callback to signal completion of the PublisherSource for this Subscriber.

See Reactive Streams specifications for the rules about how and when this method will be invoked.

Specified by:

onComplete in interface PublisherSource.Subscriber<T>