CmisSync.Lib.Producer.Crawler.CrawlEventNotifier.MergeAndSendEvents C# (CSharp) Метод

        private void MergeAndSendEvents(Dictionary<string, Tuple<AbstractFolderEvent, AbstractFolderEvent>> eventMap) {
            foreach (var entry in eventMap) {
                if (entry.Value == null) {
                    continue;
                } else if (entry.Value.Item1 == null && entry.Value.Item2 == null) {
                    continue;
                } else if (entry.Value.Item1 == null) {
                    if (entry.Value.Item2.Remote != MetaDataChangeType.NONE) {
                        this.queue.AddEvent(entry.Value.Item2);
                    }
                } else if (entry.Value.Item2 == null) {
                    if (entry.Value.Item1.Local != MetaDataChangeType.NONE) {
                        this.queue.AddEvent(entry.Value.Item1);
                    }
                } else {
                    var localEvent = entry.Value.Item1;
                    var remoteEvent = entry.Value.Item2;

                    var newEvent = FileOrFolderEventFactory.CreateEvent(
                        remoteEvent is FileEvent ? (IFileableCmisObject)(remoteEvent as FileEvent).RemoteFile : (IFileableCmisObject)(remoteEvent as FolderEvent).RemoteFolder,
                        localEvent is FileEvent ? (IFileSystemInfo)(localEvent as FileEvent).LocalFile : (IFileSystemInfo)(localEvent as FolderEvent).LocalFolder,
                        remoteEvent.Remote,
                        localEvent.Local,
                        remoteEvent.Remote == MetaDataChangeType.MOVED ? (remoteEvent is FileMovedEvent ? (remoteEvent as FileMovedEvent).OldRemoteFilePath : (remoteEvent as FolderMovedEvent).OldRemoteFolderPath) : null,
                        localEvent.Local == MetaDataChangeType.MOVED ? (localEvent is FileMovedEvent ? (IFileSystemInfo)(localEvent as FileMovedEvent).OldLocalFile : (IFileSystemInfo)(localEvent as FolderMovedEvent).OldLocalFolder) : null,
                        this);
                    if (newEvent is FileEvent) {
                        (newEvent as FileEvent).LocalContent = (localEvent as FileEvent).LocalContent;
                        (newEvent as FileEvent).RemoteContent = (remoteEvent as FileEvent).RemoteContent;
                    }

                    this.queue.AddEvent(newEvent);
                }
            }
        }
    }