ChangeToken class abstract

Propagates notifications that a change has occurred.

Implementers

Constructors

ChangeToken()

Properties

activeChangeCallbacks → bool
Indicates if this token will pro-actively raise callbacks. If false, the token consumer must poll HasChanged to detect changes.
no setter
hasChanged → bool
Gets a value that indicates if a change has occurred.
no setter
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
registerChangeCallback(ChangeCallback callback, [Object? state]) → Disposable?
Registers for a callback that will be invoked when the entry has changed.
toString() → String
A string representation of this object.
inherited

Operators

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

Static Methods

onChange(ChangeTokenProducer changeTokenProducer, ChangeTokenConsumer changeTokenConsumer) → Disposable
onChangeWithState<TState>(ChangeTokenProducer changeTokenProducer, ChangeTokenTypedConsumer<TState> changeTokenConsumer, TState? state) → Disposable
Registers the changeTokenConsumer action to be called whenever the token produced changes.