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• EmptyPublisher.java

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mutiny.zero.internal.EmptyPublisher Maven / Gradle / Ivy

package mutiny.zero.internal;

import static java.util.Objects.requireNonNull;

import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;

public class EmptyPublisher implements Publisher {

    @Override
    public void subscribe(Subscriber subscriber) {
        requireNonNull(subscriber, "The subscriber cannot be null");
        subscriber.onSubscribe(new AlreadyCompletedSubscription());
        subscriber.onComplete();
    }
}