Package io.micronaut.core.async.subscriber

Class CompletionAwareSubscriber<T>

java.lang.Object

io.micronaut.core.async.subscriber.CompletionAwareSubscriber<T>

Type Parameters:

T - the type of element signaled.

All Implemented Interfaces:

Completable, Emitter<T>, Subscriber<T>

Direct Known Subclasses:

SingleSubscriberProcessor, TypedSubscriber

public abstract class CompletionAwareSubscriber<T>
extends Object
implements Subscriber<T>, Emitter<T>

A Subscriber that tracks completion state using a AtomicBoolean.

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields

Modifier and Type	Field	Description
protected Subscription	subscription

Constructor Summary

Constructors

Constructor	Description
CompletionAwareSubscriber()

Method Summary

Modifier and Type	Method	Description
protected abstract void	doOnComplete()	Implement Subscriber.onComplete().
protected abstract void	doOnError(Throwable t)	Implement Subscriber.onError(Throwable).
protected abstract void	doOnNext(T message)	Implement Subscriber.onNext(Object).
protected abstract void	doOnSubscribe(Subscription subscription)	Implement Subscriber.onSubscribe(Subscription).
boolean	isComplete()
final void	onComplete()	* Successful terminal state.
final void	onError(Throwable t)	Failed terminal state.
final void	onNext(T t)	Data notification sent by the Publisher in response to requests to Subscription.request(long).
final void	onSubscribe(Subscription s)

Methods inherited from class java.lang.Object

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

Field Details

subscription

protected Subscription subscription

Constructor Details

CompletionAwareSubscriber

public CompletionAwareSubscriber()

Method Details

onSubscribe

public final void onSubscribe(Subscription s)

Specified by:

onSubscribe in interface Subscriber<T>

isComplete

public boolean isComplete()

Returns:

Whether is complete

onNext

public final void onNext(T t)

Description copied from interface: Emitter

Data notification sent by the Publisher in response to requests to Subscription.request(long).

Specified by:

onNext in interface Emitter<T>

Specified by:

onNext in interface Subscriber<T>

Parameters:

t - the element signaled

onError

public final void onError(Throwable t)

Description copied from interface: Emitter

Failed terminal state.

No further events will be sent even if Subscription.request(long) is invoked again.

Specified by:

onError in interface Emitter<T>

Specified by:

onError in interface Subscriber<T>

Parameters:

t - the throwable signaled

onComplete

public final void onComplete()

Description copied from interface: Completable

* Successful terminal state. To be called when the operation is complete.

Specified by:

onComplete in interface Completable

Specified by:

onComplete in interface Subscriber<T>

See Also:

• Subscriber.onComplete()

doOnSubscribe

protected abstract void doOnSubscribe(Subscription subscription)

Implement Subscriber.onSubscribe(Subscription).

Parameters:

subscription - The subscription

doOnNext

protected abstract void doOnNext(T message)

Implement Subscriber.onNext(Object).

Parameters:

message - The message

doOnError

protected abstract void doOnError(Throwable t)

Implement Subscriber.onError(Throwable).

Parameters:

t - The throwable

doOnComplete

protected abstract void doOnComplete()

Implement Subscriber.onComplete().