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anyone know twitter4j asynchronous searching?
[0 Replies]
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.
Twitter twitter = new TwitterFactory().getInstance(); // twitter setting (not OAuth)
String today_keyword = "오늘은";
void search_today() {
Query query = new Query(today_keyword);
query.setRpp(10);
QueryResult result;
try {
result = twitter.search(query);
List<Tweet> tweet = result.getTweets();
if(tweet.size() != 0) {
int n = int(random(tweet.size()));
today_tweets = tweet.get(n).getText();
today_tweets = today_tweets.replaceAll("\\n", "");
int index = today_tweets.indexOf(today_keyword);
today_t_header = today_tweets.substring(0, index);
today_t_footer = today_tweets.substring(index + today_keyword.length(), today_tweets.length());
today_tweets_profileImageURL = tweet.get(n).getProfileImageUrl();
today_tweets_profileImage = loadImage(today_tweets_profileImageURL, "png");
}
else {
today_tweets = today_keyword;
today_tweets_profileImage = loadImage("t.png");
}
}
catch (TwitterException e) {
e.printStackTrace();
println(e.getRateLimitStatus());
}
}
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..)
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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