Processor
interface Processor<T : Any!, R : Any!> : Flow.Publisher<R>, Flow.Subscriber<T>
A component that acts as both a Subscriber and Publisher.
Summary
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From class Subscriber
Unit |
onComplete()
Method invoked when it is known that no additional Subscriber method invocations will occur for a Subscription that is not already terminated by error, after which no other Subscriber methods are invoked by the Subscription. If this method throws an exception, resulting behavior is undefined.
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onError(throwable: Throwable!)
Method invoked upon an unrecoverable error encountered by a Publisher or Subscription, after which no other Subscriber methods are invoked by the Subscription. If this method itself throws an exception, resulting behavior is undefined.
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onNext(item: T)
Method invoked with a Subscription's next item. If this method throws an exception, resulting behavior is not guaranteed, but may cause the Subscription to be cancelled.
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onSubscribe(subscription: Flow.Subscription!)
Method invoked prior to invoking any other Subscriber methods for the given Subscription. If this method throws an exception, resulting behavior is not guaranteed, but may cause the Subscription not to be established or to be cancelled.
Typically, implementations of this method invoke subscription.request to enable receiving items.
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From class Publisher
Unit |
subscribe(subscriber: Flow.Subscriber<in T>!)
Adds the given Subscriber if possible. If already subscribed, or the attempt to subscribe fails due to policy violations or errors, the Subscriber's onError method is invoked with an IllegalStateException. Otherwise, the Subscriber's onSubscribe method is invoked with a new Subscription. Subscribers may enable receiving items by invoking the request method of this Subscription, and may unsubscribe by invoking its cancel method.
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