transition
fun transition(startState: S, event: E, targetState: S?, guard: StateGuard<C, A>?, action: AsyncStateAction<C, A, R>?)
This function defines a transition from the currentState equal to startState to the targetState when event is received and the guard expression is met. The action is executed after any exit action and before entry actions.
Parameters
start
The transition will be considered when currentState matches stateState
event
The event will trigger the consideration of this transition
target
The transition will change currentState to targetState after executing the option action
guard
The guard expression will have to be met to consider the transition
action
The optional action will be executed when the transition occurs.