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