trait Processor[T, R] extends Subscriber[T] with Publisher[R]
Mirrors the Subject interface from the
Reactive Streams project.
A Subject represents a processing stage—which is both a Subscriber and a Publisher and obeys the contracts of both.
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- abstract def subscribe(subscriber: Subscriber[_ >: R]): Unit
Request the publisher to start emitting data.
Request the publisher to start emitting data.
This is a factory method and can be called multiple times, each time starting a new Subscription. Each Subscription will work for only a single Subscriber. A Subscriber should only subscribe once to a single Publisher.
If the Publisher rejects the subscription attempt or otherwise fails it will signal the error via Subscriber.onError.
- subscriber
the Subscriber that will consume signals from this Publisher
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