cake_wallet/lib/entities/record.dart
2022-10-12 13:09:57 -04:00

37 lines
739 B
Dart

import 'dart:async';
import 'package:cake_wallet/utils/mobx.dart';
import 'package:hive/hive.dart';
import 'package:cw_core/keyable.dart';
abstract class Record<T extends HiveObject> with Keyable {
Record(this._source, this.original) {
key = original.key;
_listener?.cancel();
_listener = _source.watch(key: original.key).listen((event) {
if (!event.deleted) {
fromBind(event.value as T);
}
});
fromBind(original);
toBind(original);
}
dynamic key;
@override
dynamic get keyIndex => key;
final T original;
final Box<T> _source;
StreamSubscription<BoxEvent>? _listener;
void fromBind(T original);
void toBind(T original);
Future<void> save() => original.save();
}