ValuableCallback class abstract
User-defined callback that can watch Valuable to be automatically re-call
Constructors
- ValuableCallback(ValuableCallbackPrototype callback)
-
This factory only continues existing for backward compatibility.
Will be removed in a future release
factory
- ValuableCallback.future(ValuableCallbackPrototype callback)
-
A callback that schedule execution in the event queue, after a watched Valuable change
factory
- ValuableCallback.immediate(ValuableCallbackPrototype callback)
-
A callback that will execute immediately after a watched Valuable change
factory
- ValuableCallback.microtask(ValuableCallbackPrototype callback)
-
A callback that schedule execution in the microtask queue, after a watched Valuable change
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- valuableContext → ValuableContext?
-
no setterinherited
Methods
-
call(
{ValuableContext? valuableContext}) → void - Allow to consider this instance as Function, so it can be used like this :
-
cleanWatched(
) → void -
inherited
-
dispose(
) → void - Cleaning the ValuableCallback
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onValuableChange(
) → void - Called when a Valuable notify a change.
-
toString(
) → String -
A string representation of this object.
inherited
-
unwatch(
Valuable valuable) → void -
Remove listener on the valuable, that may change scope, or that about to be disposed
Internal purpose
inherited
-
watch<
T> (Valuable< T> valuable, {ValuableContext? valuableContext, ValuableWatcherSelector<T> ? selector}) → T -
Watch a valuable, that eventually change
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited