ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
InstanceIdentifier<Node> iid = (InstanceIdentifier<Node>) bareIId.getValue();
Optional<Node> nodeOptional = readFromDs(LogicalDatastoreType.OPERATIONAL, iid, transaction);
ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
InstanceIdentifier<Node> iid = (InstanceIdentifier<Node>) bareIId.getValue();
Optional<Node> nodeOptional = readFromDs(LogicalDatastoreType.OPERATIONAL, iid, transaction);