public interface DerivedPropertyNotifier
EStructuralFeature
or all properties of an EPackage
and
subscribe
for change notifications at an
EventManager
. When changes affecting a derived property's value are
received, the actual changes are determined, and new Notification
s
are created for those objects on which the derived property's value did
change.Modifier and Type | Method and Description |
---|---|
void |
subscribe(EventManager eventManager)
Activates the services of this notifier for the scope observed by the
eventManager . |
void |
unsubscribe(EventManager eventManager)
Deactivates this notifier by unregistering all its internal adapters from the
eventManager again. |
void subscribe(EventManager eventManager)
eventManager
.
If the event manager is set inactive
, no notifications
are created by this notifier until the event manager is activated again.void unsubscribe(EventManager eventManager)
eventManager
again.