CalDavSynchronizer.Implementation.GoogleContacts.GoogleContactContext.GoogleContactContext C# (CSharp) Метод

    public GoogleContactContext (GoogleGroupCache groupCache, IGoogleApiOperationExecutor apiOperationExecutor, IEqualityComparer<string> contactIdComparer, string userName)
    {
      if (groupCache == null)
        throw new ArgumentNullException (nameof (groupCache));
      if (apiOperationExecutor == null)
        throw new ArgumentNullException (nameof (apiOperationExecutor));
      if (contactIdComparer == null)
        throw new ArgumentNullException (nameof (contactIdComparer));
      if (String.IsNullOrEmpty (userName))
        throw new ArgumentException ("Argument is null or empty", nameof (userName));

      GroupCache = groupCache;
      _apiOperationExecutor = apiOperationExecutor;
      _userName = userName;
      _contactsById = new Dictionary<string, Contact> (contactIdComparer);
    }