Jmix - Load item list using LoadContext query and FetchPlan

@Autowired
private DataManager dataManager;
@Autowired
private Metadata metadata;
@Autowired
protected FetchPlanRepository fetchPlanRepository;
@Autowired
protected ObjectProvider<FetchPlanBuilder> fetchPlanBuilder;
public List<OrderItem> loadOrderItemsById(UUID orderId) {
MetaClass metaClass = metadata.getClass(OrderItem.class);
LoadContext.Query query = new LoadContext.Query("select e from sampler_OrderItem e where e.order.id = :orderId")
.setParameter("orderId", orderId);
FetchPlan fetchPlan = fetchPlanBuilder.getObject(OrderItem.class)
.addFetchPlan(fetchPlanRepository.getFetchPlan(OrderItem.class, "_local"))
.add("product", "_local")
.add("order", "_local")
.build();
LoadContext<OrderItem> lc = new LoadContext<>(metaClass);
lc.setQuery(query);
lc.setFetchPlan(fetchPlan);
return dataManager.loadList(lc);
}