*/
virtual void emitChangeEvent() const;
+ /**
+ * Convenience method for notifying every registered Observer of an event.
+ */
+ virtual void emitChangeEvent(const EntityDescriptor& entity) const;
+
public:
virtual ~ObservableMetadataProvider();
* @param provider the provider being observed
*/
virtual void onEvent(const ObservableMetadataProvider& provider) const=0;
+
+ /**
+ * Called when a provider signals an event has occured.
+ * The provider is already locked.
+ *
+ * @param provider the provider being observed
+ * @param entity the entity that underwent modification
+ */
+ virtual void onEvent(const ObservableMetadataProvider& provider, const EntityDescriptor& entity) const;
};
/**