private static void StreamFilterExample(IToken token)
{
FilteredStream stream = new FilteredStream();
// Adding Tracks filters
stream.AddTrack("Tweetinvi Linvi");
// stream.AddTrack("Linvi");
stream.StartStream(token, x => ProcessTweet(x));
}
async void StartTwitterStream(IToken token)
{
var stream = new FilteredStream();
CrawlingLog.Log.Info("Init TwitterUpdateStrategy with Hashtag '{0}'".FormatWith(HashtagTrigger));
Log.Info("Init TwitterUpdateStrategy with Hashtag '{0}'".FormatWith(HashtagTrigger), this);
stream.AddTrack(HashtagTrigger);
stream.StreamStarted += (sender, args) => CrawlingLog.Log.Info("Twitter stream started");
// The following call blocks
stream.StartStream(token, x => HandleTweet(x));
}
async void StartTwitterStream(IToken token)
{
var stream = new FilteredStream();
CrawlingLog.Log.Info("Init TwitterUpdateStrategy with Hashtag '{0}'".FormatWith(HashtagTrigger));
Log.Info("Init TwitterUpdateStrategy with Hashtag '{0}'".FormatWith(HashtagTrigger), this);
stream.AddTrack(HashtagTrigger);
stream.StreamStarted += (sender, args) => CrawlingLog.Log.Info("Twitter stream started");
// The following call blocks
stream.StartStream(token, x => HandleTweet(x));
}
public static void SearchTwitterStreaming()
{
var token = new TwitterToken.Token(_accessToken, _accessTokenSecret, _consumerKey, _consumerSecret);
// Create the stream
var myStream = new FilteredStream();
myStream.AddTrack("#apple");
myStream.AddTrack("#google");
myStream.AddTrack("#twitter");
myStream.AddTrack("#tesla");
myStream.AddTrack("#ford");
myStream.AddTrack("#shell");
myStream.AddTrack("#bks");
// Starting the stream by specifying credentials thanks to the Token and a delegate specifying what you want to do when you receive a tweet
using (var conn = new SqlCeConnection(_sqlConnection))
{
conn.Open();
var insert = new SqlCeCommand("INSERT INTO Tweets(Text, UserFollowers, RetweetCount, CreatedAt) Values(@Text, @UserFollowers, @RetweetCount, @CreatedAt)", conn);
try
{
myStream.StartStream(token, tweet =>
{
insert.Parameters.Clear();
insert.Parameters.AddWithValue("@Text", tweet.Text);
insert.Parameters.AddWithValue("@UserFollowers", tweet.Creator.FollowersCount);
insert.Parameters.AddWithValue("@RetweetCount", tweet.RetweetCount);
insert.Parameters.AddWithValue("@CreatedAt", tweet.CreatedAt);
var status = insert.ExecuteNonQuery();
//Console.WriteLine("{0}: {1}", status, tweet.Text);
});
}
catch
{
}
finally
{
conn.Close();
}
}
}
public void StartStreamTrackRandomUniqueWord()
{
// Arrange
var randomWord = String.Format("Tweetinvi{0}", new Random().Next());
var expectedMessage = String.Format("Hello {0}", randomWord);
bool result = false;
Thread t = new Thread(() =>
{
IFilteredStream stream = new FilteredStream();
stream.AddTrack(randomWord);
Func <ITweet, bool> listen = delegate(ITweet tweet)
{
if (tweet != null)
{
result = tweet.Text == expectedMessage;
}
// End the stream
return(false);
};
stream.StartStream(TokenSingleton.Token, listen);
});
t.Start();
// Act
ITweet newTweet = new Tweet(expectedMessage, TokenTestSingleton.Instance);
newTweet.Publish();
Thread.Sleep(500);
t.Join();
// Assert
Assert.AreEqual(result, true);
// Cleanup
newTweet.Destroy();
}
public void StartStreamTrackWord1ORWord2InTheSameTweet()
{
// Arrange
var randomWord1 = String.Format("Tweetinvi{0}", new Random().Next());
var randomWord2 = String.Format("Tweetinvi2{0}", new Random().Next());
var expectedMessage1 = String.Format("Hello {0}", randomWord1);
var expectedMessage2 = String.Format("Hello {0}", randomWord2);
var expectedMessage3 = String.Format("Hello {0} {1}", randomWord1, randomWord2);
int i = 0;
Thread t = new Thread(() =>
{
IFilteredStream stream = new FilteredStream();
stream.AddTrack(randomWord1);
stream.AddTrack(randomWord2);
Func <ITweet, bool> listen = delegate(ITweet tweet)
{
if (tweet != null)
{
bool result = tweet.Text == expectedMessage1 ||
tweet.Text == expectedMessage2 ||
tweet.Text == expectedMessage3;
if (result)
{
Debug.WriteLine(tweet.Text);
++i;
}
}
// End the stream
return(true);
};
Timer timer = new Timer(5000);
timer.Elapsed += (sender, args) =>
{
timer.Stop();
stream.StopStream();
};
timer.Start();
stream.StartStream(TokenSingleton.Token, listen);
});
t.Start();
// Act
ITweet newTweet1 = new Tweet(expectedMessage1, TokenTestSingleton.Instance);
newTweet1.Publish();
ITweet newTweet2 = new Tweet(expectedMessage2, TokenTestSingleton.Instance);
newTweet2.Publish();
ITweet newTweet3 = new Tweet(expectedMessage3, TokenTestSingleton.Instance);
newTweet3.Publish();
t.Join();
// Cleanup
newTweet1.Destroy();
newTweet2.Destroy();
newTweet3.Destroy();
// Assert
Assert.AreEqual(i, 3);
}
