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