StarryEyes.Models.Timelines.Statuses.StatusModel.LoadUsers C# (CSharp) 메소드

        private static void LoadUsers(IEnumerable<long> users,
            object lockObject,
            IDictionary<long, TwitterUser> dictionary,
            IList<TwitterUser> target)
        {
            var source = users.Reverse().ToArray();
            Task.Run(async () =>
            {
                var loadSource = new HashSet<long>();
                lock (lockObject)
                {
                    foreach (var userId in source)
                    {
                        // check dictionary not contains the id
                        if (dictionary.ContainsKey(userId)) continue;
                        // acquire position
                        dictionary.Add(userId, null);
                        loadSource.Add(userId);
                    }
                }
                var ud = (await StoreHelper.GetUsersAsync(loadSource).ConfigureAwait(false)).ToDictionary(u => u.Id);
                lock (lockObject)
                {
                    foreach (var userId in source)
                    {
                        TwitterUser user;
                        if (!dictionary.TryGetValue(userId, out user) || user != null)
                        {
                            // user is not in dictionary or
                            // user is already loaded => skip adding
                            continue;
                        }
                        var nu = ud[userId];
                        dictionary[userId] = nu;
                        target.Insert(0, nu);
                    }
                }
            });
        }