loadInitial method
Implementation
@protected
Future<T> loadInitial() {
isReady.start();
return internalFetchData().then((data) {
this._internalUpdate(data);
return data;
}).catchError((Object e, StackTrace stack) {
log.severe("Error fetching data for service: $e", e, stack);
isReady.completeError(e, stack);
throw e;
});
}