disconnect method
Implementation
Future<bool> disconnect() async {
if (_connectingFuture != null) {
await _connectingFuture;
}
if (_box != null && _disconnectingFuture == null) {
final completer = Completer<bool>();
_disconnectingFuture = completer.future;
try {
await _box!.close();
_box = null;
_disconnectingFuture = null;
completer.complete(true);
} catch (error) {
_box = null;
_disconnectingFuture = null;
completer.complete(false);
}
}
if (_disconnectingFuture != null) {
return _disconnectingFuture!;
}
return _box == null ? true : false;
}