rx.observers

Class SerializedObserver

java.lang.Object

rx.observers.SerializedObserver

Type Parameters:

T - the type of items expected to be observed by the Observer

All Implemented Interfaces:

Observer

public class SerializedObserver
extends java.lang.Object
implements Observer

Enforces single-threaded, serialized, ordered execution of onNext(T), onCompleted(), and onError(java.lang.Throwable).

When multiple threads are emitting and/or notifying they will be serialized by:

• Allowing only one thread at a time to emit
• Adding notifications to a queue if another thread is already emitting
• Not holding any locks or blocking any threads while emitting

Constructor Summary

Constructors

Constructor and Description
SerializedObserver(ObserverT> s)

Method Summary

Modifier and Type	Method and Description
void	onCompleted() Notifies the Observer that the Observable has finished sending push-based notifications.
void	onError(java.lang.Throwable e) Notifies the Observer that the Observable has experienced an error condition.
void	onNext(T t) Provides the Observer with a new item to observe.

Methods inherited from class java.lang.Object

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

Constructor Detail

SerializedObserver

public SerializedObserver(ObserverT> s)

Method Detail

onNext

public void onNext(T t)

Description copied from interface: Observer

Provides the Observer with a new item to observe.

The Observable may call this method 0 or more times.

The Observable will not call this method again after it calls either Observer.onCompleted() or Observer.onError(java.lang.Throwable).

Specified by:

onNext in interface Observer<T>

Parameters:

t - the item emitted by the Observable

onError

public void onError(java.lang.Throwable e)

Description copied from interface: Observer

Notifies the Observer that the Observable has experienced an error condition.

If the Observable calls this method, it will not thereafter call Observer.onNext(T) or Observer.onCompleted().

Specified by:

onError in interface Observer<T>

Parameters:

e - the exception encountered by the Observable

onCompleted

public void onCompleted()

Description copied from interface: Observer

Notifies the Observer that the Observable has finished sending push-based notifications.

The Observable will not call this method if it calls Observer.onError(java.lang.Throwable).

Specified by:

onCompleted in interface Observer<T>