StreamValue<T> class

A observable object that notifies its subscribers when its value has been modified.

Mixed in types

Implementers

Constructors

StreamValue(T value, {OnUpdate<T>? onUpdate}): A observable object that notifies its subscribers when its value has been modified.

hashCode → int: The hash code for this object.
no setterinherited
hasListener → bool: Returns true if there are any active listeners.
no setterinherited
isObserved → bool: Returns true if there are any active listeners or if onUpdate is not null.
no setter
numberOfListeners → int: Returns the number of active listeners.
no setterinherited
onUpdate ↔ OnUpdate<T>?: Called after value is updated, before the listeners are notified.
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
value ↔ T: The value being observed.
getter/setter pair
wasDisposed ↔ bool: Set to true when dispose is called.
getter/setter pair

addListener(OnUpdate<T> onUpdate) → StreamSubscription<T>: Creates, stores and returns a listener.
inherited
dispose() → void: Cancels any active listeners and closes the stream.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners(T event) → void: Notifies all subscribed listeners of an event.
override
removeListener() → void: Cancels and removes a StreamSubscription.
inherited
setValue(T value) → void: Sets the observable value to value without notifying the event listeners.
toString() → String: A string representation of this object.
override