FieldSubscription<T> class

A ControlSubscription that also implements StreamSubscription.

This is used by FieldControl to bridge the gap between the control framework's subscription model and Dart's native Stream subscriptions.

Inheritance
Implemented types
Available extensions

Constructors

FieldSubscription(StreamSubscription<T?> _sub)

Properties

cancelOnError ↔ bool
getter/setter pair
hashCode → int
The hash code for this object.
no setterinherited
isActive → bool
Checks is this subscription can serve.
no setteroverride
isCallbackAttached → bool
Checks if callback to serve is available.
no setterinherited
isPaused → bool
Whether the StreamSubscription is currently paused.
no setteroverride
isValid → bool
Checks if observable is set.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

asFuture<E>([E? futureValue]) → Future<E>
Returns a future that handles the onDone and onError callbacks.
override
cancel() → Future
Cancels the subscription and removes it from the parent observable.
override
dispose() → void
Releases resources used by the object.
override
disposeWith(DisposeObserver observer) → void

Available on Disposable, provided by the DisposableExt extension

Register for dispose with given observer.
filter(Predicate<T>? filter) → ControlSubscription<T>
Applies a filter to the subscription.
inherited
initSubscription(ObservableValue parent, [ValueCallback<T>? callback]) → void
Activates the subscription by linking it to a parent observable and setting a callback.
inherited
invalidate() → void
Marks the subscription as invalid, detaching it from its parent and callback.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyCallback(T value) → void
Notifies the subscription with a new value.
inherited
once() → ControlSubscription<T>
Configures the subscription to be canceled after the first notification.
inherited
onData(void handleData(T? data)?) → void
Replaces the data event handler of this subscription.
override
onDone(void handleDone()?) → void
Replaces the done event handler of this subscription.
override
onError(Function? handleError) → void
Replaces the error event handler of this subscription.
override
pause([Future? resumeSignal]) → void
Pauses the subscription, temporarily stopping notifications.
override
resume() → void
Resumes a paused subscription.
override
toString() → String
A string representation of this object.
inherited
until(Predicate<T>? predicate) → ControlSubscription<T>
Sets a condition to automatically cancel the subscription.
inherited

Operators

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