CancellableEvent class abstract
Base class for events that support cancellation.
CancellableEvent provides cancellation support for long-running operations. The event maintains cancellation state that can be checked by use cases during execution.
Example:
class ProcessOrderEvent extends CancellableEvent {
final String orderId;
ProcessOrderEvent({required this.orderId});
}
- Inheritance
- Implementers
Constructors
Properties
-
groupsToRebuild
↔ Set<
String> ? -
The set of widget rebuild groups this event should trigger.
getter/setter pairinherited
- hashCode → int
-
The hash code for this object.
no setteroverride
- isCancelled → bool
-
Whether this event has been cancelled
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
whenCancelled
→ Future<
void> -
Future that completes when the event is cancelled
no setter
Methods
-
cancel(
) → void - Cancels the operation associated with this event
-
close(
) → Future< void> -
Called when the event is disposed.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reset(
) → void - Resets the cancellation state of this event
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override