Amoeba.SeedStateCache.Refresh C# (CSharp) Метод

        private void Refresh()
        {
            if (_isRefreshing) return;
            _isRefreshing = true;

            try
            {
                var tempDictionary = new ConcurrentDictionary<Seed, SearchState>();

                {
                    foreach (var seed in _amoebaManager.CacheSeeds)
                    {
                        tempDictionary[seed] = SearchState.Cache;
                    }

                    foreach (var information in _amoebaManager.UploadingInformation)
                    {
                        if (information.Contains("Seed") && ((UploadState)information["State"]) != UploadState.Completed)
                        {
                            var seed = (Seed)information["Seed"];

                            tempDictionary.AddOrUpdate(seed, SearchState.Uploading, (_, orignalState) => orignalState | SearchState.Uploading);
                        }
                    }

                    foreach (var information in _amoebaManager.DownloadingInformation)
                    {
                        if (information.Contains("Seed") && ((DownloadState)information["State"]) != DownloadState.Completed)
                        {
                            var seed = (Seed)information["Seed"];

                            tempDictionary.AddOrUpdate(seed, SearchState.Downloading, (_, orignalState) => orignalState | SearchState.Downloading);
                        }
                    }

                    foreach (var seed in _amoebaManager.UploadedSeeds)
                    {
                        tempDictionary.AddOrUpdate(seed, SearchState.Uploaded, (_, orignalState) => orignalState | SearchState.Uploaded);
                    }

                    foreach (var seed in _amoebaManager.DownloadedSeeds)
                    {
                        tempDictionary.AddOrUpdate(seed, SearchState.Downloaded, (_, orignalState) => orignalState | SearchState.Downloaded);
                    }
                }

                lock (_thisLock)
                {
                    _seedsDictionary = tempDictionary;
                }
            }
            catch (Exception)
            {

            }
            finally
            {
                _isRefreshing = false;
            }
        }