rx

Interface Emitter

Type Parameters:

T - the value type to emit

All Superinterfaces:

Observer

public interface Emitter
extends Observer

Abstraction over a RxJava Subscriber that allows associating a resource with it and exposes the current number of downstream requested amount.

The onNext, onError and onCompleted methods should be called in a sequential manner, just like the Observer's methods. The other methods are thread-safe.

Since:

1.3

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Emitter.BackpressureMode Options to handle backpressure in the emitter.

Method Summary

Modifier and Type	Method and Description
long	requested() The current outstanding request amount.
void	setCancellation(Cancellable c) Sets a Cancellable on this emitter; any previous Subscription or Cancellation will be unsubscribed/cancelled.
void	setSubscription(Subscription s) Sets a Subscription on this emitter; any previous Subscription or Cancellation will be unsubscribed/cancelled.

Methods inherited from interface rx.Observer

onCompleted, onError, onNext

Method Detail

setSubscription

void setSubscription(Subscription s)

Sets a Subscription on this emitter; any previous Subscription or Cancellation will be unsubscribed/cancelled.

Parameters:

s - the subscription, null is allowed

setCancellation

void setCancellation(Cancellable c)

Sets a Cancellable on this emitter; any previous Subscription or Cancellation will be unsubscribed/cancelled.

Parameters:

c - the cancellable resource, null is allowed

requested

long requested()

The current outstanding request amount.

This method it thread-safe.

Returns:

the current outstanding request amount