Whether or not this Subscription is active.
Whether or not this Subscription is active. It won't be active if it has been cancelled, completed or had an error.
Called to start the Subscription.
Called to start the Subscription. This will typically call the onSubscribe method on the Suscription's Subscriber. In the event that this method is never called the Subscription should not leak resources.
The Subscriber for this Subscription.
Wraps a Subscription created by a SubscriptionFactory, allowing the Subscription to be started and queried.