reconnect method
Implementation
Future<bool> reconnect() async {
if (await connect()) {
var bag = AsyncBag();
for (var i = 0; i < _resources.keys.length; i++) {
var index = _resources.keys.elementAt(i);
// print("Re $i ${_resources[index].instance.template.className}");
bag.add(fetch(index));
}
bag.seal();
await bag;
return true;
}
return false;
}