Request Observable to start streaming data.
Request Observable to start streaming 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 Observer.
If the Observable rejects the subscription attempt or otherwise fails it will signal the error via Observer.onError.
the Observer that will consume signals from this Observable
Handles the automatic boxing of a Java Observable so it conforms to the interface.
Handles the automatic boxing of a Java Observable so it conforms to the interface.
the Observer that will consume signals from this Observable
Users should not have to implement this method but rather use the Scala Observable.