Amazon.MobileAnalytics.MobileAnalyticsManager.Internal.Session.RetrieveSessionStorage C# (CSharp) Метод

        private void RetrieveSessionStorage()
        {
            string sessionString = null;
#if PCL
            IFolder rootFolder = FileSystem.Current.LocalStorage;
            if (ExistenceCheckResult.FileExists == rootFolder.CheckExistsAsync(_sessionStorageFileFullPath).Result)
            {
                IFile file = rootFolder.GetFileAsync(_sessionStorageFileFullPath).Result;
                sessionString = file.ReadAllTextAsync().Result;
            }
#elif BCL
            if (File.Exists(_sessionStorageFileFullPath))
            {
                using (var sessionFile = new System.IO.StreamReader(_sessionStorageFileFullPath))
                {
                    sessionString = sessionFile.ReadToEnd();
                    sessionFile.Close();
                }
                _logger.DebugFormat("Mobile Analytics retrieves session info: {0}", sessionString);
            }
            else
            {
                _logger.DebugFormat("Mobile Analytics session file does not exist.");
            }
#elif UNITY
            Action action = () =>
            {
                if (File.Exists(_sessionStorageFileFullPath))
                {
                    System.IO.StreamReader sessionFile = new System.IO.StreamReader(_sessionStorageFileFullPath);
                    sessionString = sessionFile.ReadToEnd();
                    sessionFile.Close();
                    _logger.DebugFormat("Mobile Analytics retrieves session info: {0}", sessionString);
                }
                else
                {
                    _logger.DebugFormat("Mobile Analytics session file does not exist.");
                }
            };


            if (UnityInitializer.IsMainThread())
            {
                action();
            }
            else
            {
                ManualResetEvent e = new ManualResetEvent(false);
                UnityRequestQueue.Instance.ExecuteOnMainThread(() =>
                {
                    action();
                    e.Set();
                });

                e.WaitOne();
            }

#endif
            if (!string.IsNullOrEmpty(sessionString))
            {
                _sessionStorage = JsonMapper.ToObject<SessionStorage>(sessionString);
            }

        }