listenTo method Null safety
- String documentId,
- DecoratedContentChanged changed,
- {DecoratedContentErrorHandler? errorHandler}
override
Implementation
@override
StreamSubscription<DecoratedContentModel?> listenTo(
String documentId, DecoratedContentChanged changed,
{DecoratedContentErrorHandler? errorHandler}) {
return reference.listenTo(documentId, ((value) {
if (value != null) {
fullCache[value.documentID] = value;
}
changed(value);
}), errorHandler: errorHandler);
}