/// <summary> /// Gets <see cref="ISchemaManagerItem"/> manager design item for <paramref name="item"/>. /// </summary> /// <param name="item"><see cref="EntitySchemaManager"/> manager item.</param> /// <returns><see cref="ISchemaManagerItem"/> manager design item.</returns> protected virtual ISchemaManagerItem <EntitySchema> GetDesignItem(ISchemaManagerItem <EntitySchema> item) { ISchemaManagerItem managerItem; try { (Guid schemaId, Guid schemaRealUId) = _utils.GetSchemaPackageInfo(item.Name, _packageUId); managerItem = _entitySchemaManager.DesignItem(_userConnection, schemaRealUId); managerItem.Id = schemaId; var instance = managerItem.Instance as EntitySchema; instance.Id = schemaId; } catch (NullReferenceException) { managerItem = _entitySchemaManager.CreateDesignSchema(_userConnection, item.UId, _packageUId, true); } return(_entitySchemaManager.FindDesignItem(_userConnection, managerItem.UId) as ISchemaManagerItem <EntitySchema>); }