PrintObserver<S, E> class

A default observer that prints machine activity to the console.

Inheritance

Constructors

PrintObserver({String formatter(String) = _defaultFormatter})
Creates a new PrintObserver with an optional formatter.
const

Properties

formatter → String Function(String)
An optional function to format the output strings.
final
hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onEventDeferred(HsmState<S, E> state, E event, Object? data) → void
Called when an event is deferred by a state.
override
onEventDropped(HsmState<S, E> state, E event, Object? data) → void
Called when a deferred event is dropped.
override
onEventError(Machine<S, E> machine, E event, Object? data, Object error, StackTrace stackTrace) → void
Called when an error occurs during event processing.
override
onEventHandled(HsmState<S, E> state, E event, Object? data) → void
Called when an event has been successfully handled.
override
onEventHandling(Machine<S, E> machine, E event, Object? data) → void
Called when the machine begins processing an event.
override
onEventQueued(Machine<S, E> machine, E event, Object? data) → void
Called when an event is added to the machine's event queue.
override
onEventUnhandled(HsmState<S, E> state, E event, Object? data) → void
Called when an event was not handled by any active state.
override
onInternalTransition(HsmState<S, E> state, E? event, Object? data) → void
Called when an internal transition (no state change) occurs.
override
onMachineStarted(Machine<S, E> machine) → void
Called when the machine has successfully started and entered its root state.
override
onMachineStarting(Machine<S, E> machine) → void
Called when the machine is starting.
override
onMachineStopped(Machine<S, E> machine) → void
Called when the machine has been stopped and all states have been exited.
override
onMachineTerminated(Machine<S, E> machine) → void
Called when the machine enters a TerminateState.
override
onStateEnter(HsmState<S, E> state) → void
Called when a state is entered.
override
onStateExit(HsmState<S, E> state) → void
Called when a state is exited.
override
onTransition(HsmState<S, E> source, HsmState<S, E> target, E? event, Object? data, TransitionKind kind) → void
Called when a transition between two states occurs.
override
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited