SenseNet.DirectoryServices.SyncAD2Portal.SyncSingleObjectFromAD C# (CSharp) Метод

        private void SyncSingleObjectFromAD(string ldapPath)
        {
            SyncTree syncTree = null;
            DirectoryEntry entry = null;
            foreach (SyncTree sTree in _syncTrees)
            {
                if (sTree.ContainsADPath(ldapPath))
                {
                    entry = sTree.ConnectToObject(ldapPath);
                    syncTree = sTree;
                }
            }

            if (syncTree == null)
            {
                AdLog.LogErrorADObject("Configured SyncTree could not be found for this path", ldapPath);
                return;
            }

            string nodePortalParentPath = syncTree.GetPortalParentPath(ldapPath);
            if (!Node.Exists(nodePortalParentPath))
            {
                AdLog.LogErrorADObject(string.Format("Portal parent path ({0}) does not exist", nodePortalParentPath), ldapPath);
                return;
            }

            if (entry == null)
            {
                AdLog.LogErrorADObject("AD Entry is not found", ldapPath);
                return;
            }

            var guid = Common.GetADObjectGuid(entry, _config.GuidProp);
            if (!guid.HasValue)
            {
                AdLog.LogErrorADObject("AD Entry guid cannot be retrieved", ldapPath);
                return;
            }

            var adObjectType = Common.GetADObjectType(entry, false);
            Action<DirectoryEntry, string, Guid, SyncTree> CreateNewObject = null;
            Action<DirectoryEntry, Node, SyncTree> UpdateProperties = null;
            switch (adObjectType) 
            {
                case ADObjectType.User:
                    CreateNewObject = CreateNewPortalUser;
                    UpdateProperties = UpdatePortalUserProperties;
                    break;
                case ADObjectType.Group:
                    CreateNewObject = CreateNewPortalGroup;
                    UpdateProperties = UpdatePortalGroupProperties;
                    break;
                case ADObjectType.Container:
                case ADObjectType.Organization:
                case ADObjectType.OrgUnit:
                    CreateNewObject = CreateNewPortalContainer;
                    UpdateProperties = UpdatePortalContainerProperties;
                    break;
                default:
                    AdLog.LogErrorADObject("Syncing of this type is not supported.", ldapPath);
                    return;
            }

            // check if node already exists:
            var node = Common.GetPortalObjectByGuid(guid.Value);
            if (node == null)
            {
                if (!Node.Exists(nodePortalParentPath))
                    EnsurePortalPath(syncTree, syncTree.GetADParentObjectPath(ldapPath), RepositoryPath.GetParentPath(nodePortalParentPath));

                CreateNewObject(entry, nodePortalParentPath, guid.Value, syncTree);
            }
            else
            {
                if (RepositoryPath.GetParentPath(node.Path) != nodePortalParentPath)
                {
                    Node.Move(node.Path, nodePortalParentPath);

                    // reload node for further processing (set properties)
                    node = Node.LoadNode(node.Id);
                }

                UpdateProperties(entry, node, syncTree);
                Common.UpdateLastSync(node, null);
            }
        }