private void Watcher_Changed(object sender, CmisChangeLogEventArgs e)
        {
            var doc = GetMakuraDocument(e.UpdatedDocument);
            var eventArgs = new MakuraDocumentEventArgs();
            eventArgs.UpdatedDocument = doc;

            //マルチファイリング負対応
            var path = e.UpdatedDocument.Paths.FirstOrDefault();
            eventArgs.Path = path ?? String.Empty;

            Changed?.Invoke(sender, eventArgs);
        }
        public async void PollingStartAsync() {
            pollingOn = true;

            await Task.Run(() => {
                while (pollingOn) {

                    var session = connector.CreateSession();
                    var latestChangeLogToken = LatestChangeLogTokenProvider.GetChangeLogToken();
                    var changeLogs = session.GetContentChanges(latestChangeLogToken, false, 10);
                    if (changeLogs.TotalNumItems > 0) {
                        foreach (var cle in changeLogs.ChangeEventList) {
                            try {
                                var doc = session.GetObject(cle.ObjectId) as Document;
                                if (doc == null) continue; //とりあえずドキュメントのみ

                                var evChangeType = WatcherChangeTypes.Changed;
                                if (cle.ChangeType == ChangeType.Created) {
                                    evChangeType = WatcherChangeTypes.Created;
                                } else if (cle.ChangeType == ChangeType.Deleted) {
                                    evChangeType = WatcherChangeTypes.Deleted;
                                } else if (cle.ChangeType == ChangeType.Updated) {
                                    evChangeType = WatcherChangeTypes.Changed;
                                }

                                var evArg = new CmisChangeLogEventArgs(evChangeType, doc);
                                this.Changed(this, evArg);
                            } catch {

                            }
                        }

                        LatestChangeLogTokenProvider.SetChangeLogToken(session.RepositoryInfo.LatestChangeLogToken);
                    }

                }
            });
        }