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anyone know twitter4j asynchronous searching?
[0Replies]
- 09-May-2012 04:09 AM
- Forum: Contributed Library Questions
I'm already made a program. it's tweetclock.
it searching tweets within date/time keyword, and displaying whole thing like word clock.
you can see on browser "http://tweetclock.net/"

but the problem is super slow.. (especially on web) and also it's freeze when searching.
so I have to searching with asynchronous way.

I already searching on google, and only I can find the example code 'asyncUpdatedStatus' from twitter4j.org.
so I modified my code based on example code. but it's not working. it said 'unexpected token :('
I'm not heavy java developer. so it's hard to understand about listener.. but I tried..
please help.

this is my old one.
2. Twitter twitter = new TwitterFactory().getInstance(); // twitter setting (not OAuth)
3. String today_keyword = "오늘은";
6. void search_today() {
7. Query query = new Query(today_keyword);
8. query.setRpp(10);
9. QueryResult result;
10. try {
11. result = twitter.search(query);
12. List<Tweet> tweet = result.getTweets();
13. if(tweet.size() != 0) {
14. int n = int(random(tweet.size()));
15. today_tweets = tweet.get(n).getText();
16. today_tweets = today_tweets.replaceAll("\\n", "");
17. int index = today_tweets.indexOf(today_keyword);
18. today_t_header = today_tweets.substring(0, index);
19. today_t_footer = today_tweets.substring(index + today_keyword.length(), today_tweets.length());
20. today_tweets_profileImageURL = tweet.get(n).getProfileImageUrl();
21. today_tweets_profileImage = loadImage(today_tweets_profileImageURL, "png");
22. }
23. else {
24. today_tweets = today_keyword;
25. today_tweets_profileImage = loadImage("t.png");
26. }
27. }
28. catch (TwitterException e) {
29. e.printStackTrace();
30. println(e.getRateLimitStatus());
31. }
32. }
this is the new code lines for async processing..
first I tried to modify code from TwitterFactory to AsyncTwitterFactory.
it seems like only one time change to Async*, then everything works fine(just my thinking..)
1. static final Object LOCK = new Object();
  
  AsyncTwitterFactory factory = new AsyncTwitterFactory();
  AsyncTwitter twitter = factory.getInstance();
  
  // override function
  TwitterListener listener = new TwitterAdapter() {
  @Override void search(Query query) {
  System.out.println("Successfully searched");
  synchronized (LOCK) {
  LOCK.notify();
  }
  }
  
  @Override void onException(TwitterException e, TwitterMethod method) {
  if (method == SEARCH) {
  e.printStackTrace();
  synchronized (LOCK) {
  LOCK.notify();
  }
  }
  else {
  // synchronized (LOCK) {
  // LOCK.notify();
  // }
  throw new AssertionError("Should not happen");
  }
  }
  };
  
  twitter.addListener(listener); // processing said. unexpected token: (

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