public static void closeConnection() {
if (twitter != null) {
Logger.info("Closing down Twitter stream...");
twitter.cleanUp();
if (esClient != null) esClient.close();
} else {
Logger.info("No twitter stream found");
}
}
private static void startStream(List<String> terms) throws TwitterException {
if (twitter != null) {
twitter.cleanUp();
}
if (esClient != null) {
esClient.close();
esClient = null;
}
play.Configuration pconf = Play.application().configuration();
String elasticSearchCluster = pconf.getString("tweet.elasticsearch.cluster.name");
if (elasticSearchCluster != null) {
Logger.info("Configuring ElasticSearch...");
Settings settings =
ImmutableSettings.settingsBuilder().put("cluster.name", elasticSearchCluster).build();
esClient =
new TransportClient(settings)
.addTransportAddress(
new InetSocketTransportAddress(
pconf.getString("tweet.elasticsearch.transport.host"),
pconf.getInt("tweet.elasticsearch.transport.port")));
} else {
esClient = null;
}
twitter4j.conf.Configuration tconf = Application.getTwitterConfiguration();
TwitterStreamFactory tf = new TwitterStreamFactory(tconf);
twitter = tf.getInstance();
StatusListener l =
new TweetListener(
terms,
esClient,
pconf.getString("tweet.elasticsearch.index"),
pconf.getString("tweet.elasticsearch.type"));
twitter.addListener(l);
String[] tracks = new String[terms.size()];
StringBuffer termsString = new StringBuffer();
for (int i = 0; i < terms.size(); i++) {
tracks[i] = terms.get(i);
if (i != 0) termsString.append(",");
termsString.append(terms.get(i));
}
FilterQuery q = new FilterQuery().track(tracks);
twitter.filter(q);
Logger.info("Starting listening for tweets using terms " + termsString.toString() + "...");
}
@Override
public void onDestroy() {
Log.d(TAG, "Service Destroyed.");
twitterStream.cleanUp();
super.onDestroy();
}
@Override
public void stop() {
tweetsFlowRegulator.stopTweetPicker();
twitterStream.cleanUp();
running = false;
}