BExIS.Dlm.Services.DataStructure.ClassifierManager.AddChild C# (CSharp) Метод

        public bool AddChild(Classifier end1, Classifier end2)
        {
            Contract.Requires(end1 != null && end1.Id >= 0);
            Contract.Requires(end2 != null && end2.Id >= 0);

            bool result = false;
            using (IUnitOfWork uow = this.GetUnitOfWork())
            {
                IRepository<Classifier> repo = uow.GetRepository<Classifier>();

                end1 = repo.Reload(end1);
                repo.LoadIfNot(end1.Children);
                if (!end1.Children.Contains(end2))
                {
                    end1.Children.Add(end2);
                    end2.Parent = end1;
                    uow.Commit();
                    result = true;
                }
            }
            return (result);
        }