All messages sent to the akka.actor.FSM will be wrapped inside an
Event, which allows pattern matching to extract both state and data.
Signifies that the akka.actor.FSM is shutting itself down because of an error, e.g.
Log Entry of the akka.actor.LoggingFSM, can be obtained by calling
Reason why this akka.actor.FSM is shutting down.
This captures all of the managed state of the akka.actor.FSM: the state name, the state data, possibly custom timeout, stop reason and replies accumulated while processing the last message.
Case class representing the state of the akka.actor.FSM within the
Message type which is used to communicate transitions between states to all subscribed listeners (use akka.actor.FSM.SubscribeTransitionCallBack).
This extractor is just convenience for matching a (S, S) pair, including a reminder what the new state is.
Default reason if calling
A partial function value which does not match anything and can be used to
Reason given when someone was calling
system.stop(fsm) from outside;
also applies to
Stop supervision directive.
This case object is received in case of a state timeout.