onAction<A extends ResourceAction> method
void
onAction<A extends ResourceAction>(
- ActionHandler<
A, V> handler, { - EventTransformer<
A> ? transformer, - CancelCallback<
V> ? onCancel,
inherited
Implementation
void onAction<A extends ResourceAction>(
ActionHandler<A, V> handler, {
EventTransformer<A>? transformer,
CancelCallback<V>? onCancel,
}) {
assert(
!_actionHandlerRefs.any((handlerRef) => handlerRef.actionType == A),
'onAction<$A> was caught multiple times. '
'There should only be a single action handler per action type.',
);
final handlerRef = ActionHandlerRef<A, V>(
handler,
transformer: transformer,
onCancel: onCancel,
);
_actionHandlerRefs.add(handlerRef);
}