public StreamStatistics CalculateStreamStatistics()
{
CalculateVolume();
_streamStatistics.TopEmojis = _emojiService.GetTop5();
_streamStatistics.TopHashTags = _hashTagService.GetTop5();
_streamStatistics.TopUrls = _urlsService.GetTop5();
_streamStatistics.PercentageOfTweetsThatContainEmojis = _tweetService.CalculatePercentationOfTweetsThatContainEmojis();
_streamStatistics.PercentageOfTweetsThatContainUrls = _tweetService.CalculatePercentationOfTweetsThatContainUrls();
return(_streamStatistics);
}