TaskExecutionControl class

Runtime callbacks and optional services exposed to an executing task.

Constructors

TaskExecutionControl({void heartbeat() = _noopHeartbeat, Future<void> extendLease(Duration by) = _noopExtendLease, Future<void> progress(double percentComplete, {Map<String, Object?>? data}) = _noopProgress, TaskCancellationToken cancellation = const TaskCancellationToken.none(), TaskEnqueuer? enqueuer, WorkflowCaller? workflows, WorkflowEventEmitter? workflowEvents})

Creates execution controls for the current delivery runtime.

const

Properties

cancellation → TaskCancellationToken

Cooperative cancellation state supplied by the host.

final

enqueuer → TaskEnqueuer?

Optional producer used for child task dispatch.

final

extendLease → Future<void> Function(Duration by)

Requests additional delivery time from the host.

final

hashCode → int

The hash code for this object.

no setter, inherited

heartbeat → void Function()

Notifies the host that execution remains active.

final

progress → Future<void> Function(double percentComplete, {Map<String, Object?>? data})

Reports task progress to the host.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

workflowEvents → WorkflowEventEmitter?

Optional workflow event emitter.

final

workflows → WorkflowCaller?

Optional workflow caller used for child workflows.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited