Examples with TwitterStream twitter4j.TwitterStream used on opensource projects

Example 1 with TwitterStream

use of twitter4j.TwitterStream in project twitter4j by yusuke.

the class PrintRawSampleStream method main.

/**
     * Main entry of this application.
     *
     * @param args arguments doesn't take effect with this example
     * @throws TwitterException when Twitter service or network is unavailable
     */
public static void main(String[] args) throws TwitterException {
    TwitterStream twitterStream = new TwitterStreamFactory().getInstance();
    RawStreamListener listener = new RawStreamListener() {

        @Override
        public void onMessage(String rawJSON) {
            System.out.println(rawJSON);
        }

        @Override
        public void onException(Exception ex) {
            ex.printStackTrace();
        }
    };
    twitterStream.addListener(listener);
    twitterStream.sample();
}

Example 2 with TwitterStream

use of twitter4j.TwitterStream in project Anserini by castorini.

the class TweetStreamIndexer method run.

@Override
public void run() {
    tweetCount = 0;
    final FieldType textOptions = new FieldType();
    // textOptions.setIndexed(true);
    textOptions.setIndexOptions(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS);
    textOptions.setStored(true);
    textOptions.setTokenized(true);
    TwitterStream twitterStream = new TwitterStreamFactory().getInstance();
    RawStreamListener rawListener = new RawStreamListener() {

        @Override
        public void onMessage(String rawString) {
            Status status = Status.fromJson(rawString);
            if (status == null) {
                try {
                    JsonObject obj = (JsonObject) JSON_PARSER.parse(rawString);
                    if (obj.has("delete")) {
                        long id = obj.getAsJsonObject("delete").getAsJsonObject("status").get("id").getAsLong();
                        Query q = LongPoint.newRangeQuery(StatusField.ID.name, id, id);
                        TweetSearcher.indexWriter.deleteDocuments(q);
                    }
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                return;
            }
            if (status.getText() == null) {
                return;
            }
            Document doc = new Document();
            doc.add(new LongPoint(StatusField.ID.name, status.getId()));
            doc.add(new StoredField(StatusField.ID.name, status.getId()));
            doc.add(new LongPoint(StatusField.EPOCH.name, status.getEpoch()));
            doc.add(new StoredField(StatusField.EPOCH.name, status.getEpoch()));
            doc.add(new TextField(StatusField.SCREEN_NAME.name, status.getScreenname(), Store.YES));
            doc.add(new Field(StatusField.TEXT.name, status.getText(), textOptions));
            doc.add(new IntPoint(StatusField.FRIENDS_COUNT.name, status.getFollowersCount()));
            doc.add(new StoredField(StatusField.FRIENDS_COUNT.name, status.getFollowersCount()));
            doc.add(new IntPoint(StatusField.FOLLOWERS_COUNT.name, status.getFriendsCount()));
            doc.add(new StoredField(StatusField.FOLLOWERS_COUNT.name, status.getFriendsCount()));
            doc.add(new IntPoint(StatusField.STATUSES_COUNT.name, status.getStatusesCount()));
            doc.add(new StoredField(StatusField.STATUSES_COUNT.name, status.getStatusesCount()));
            long inReplyToStatusId = status.getInReplyToStatusId();
            if (inReplyToStatusId > 0) {
                doc.add(new LongPoint(StatusField.IN_REPLY_TO_STATUS_ID.name, inReplyToStatusId));
                doc.add(new StoredField(StatusField.IN_REPLY_TO_STATUS_ID.name, inReplyToStatusId));
                doc.add(new LongPoint(StatusField.IN_REPLY_TO_USER_ID.name, status.getInReplyToUserId()));
                doc.add(new StoredField(StatusField.IN_REPLY_TO_USER_ID.name, status.getInReplyToUserId()));
            }
            String lang = status.getLang();
            if (!lang.equals("unknown")) {
                doc.add(new TextField(StatusField.LANG.name, status.getLang(), Store.YES));
            }
            long retweetStatusId = status.getRetweetedStatusId();
            if (retweetStatusId > 0) {
                doc.add(new LongPoint(StatusField.RETWEETED_STATUS_ID.name, retweetStatusId));
                doc.add(new StoredField(StatusField.RETWEETED_STATUS_ID.name, retweetStatusId));
                doc.add(new LongPoint(StatusField.RETWEETED_USER_ID.name, status.getRetweetedUserId()));
                doc.add(new StoredField(StatusField.RETWEETED_USER_ID.name, status.getRetweetedUserId()));
                doc.add(new IntPoint(StatusField.RETWEET_COUNT.name, status.getRetweetCount()));
                doc.add(new StoredField(StatusField.RETWEET_COUNT.name, status.getRetweetCount()));
                if (status.getRetweetCount() < 0 || status.getRetweetedStatusId() < 0) {
                    System.err.println("Error parsing retweet fields of " + status.getId());
                }
            }
            try {
                TweetSearcher.indexWriter.addDocument(doc);
                tweetCount++;
                if (tweetCount % 1000 == 0) {
                    LOG.info(tweetCount + " statuses indexed");
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        @Override
        public void onException(Exception e) {
            // TODO Auto-generated method stub
            e.printStackTrace();
        }
    };
    twitterStream.addListener(rawListener);
    twitterStream.sample();
}

Example 3 with TwitterStream

use of twitter4j.TwitterStream in project twitter4j by yusuke.

the class TwitterStreamLambda method oldTraditionalDullBoringImplementation.

public static void oldTraditionalDullBoringImplementation(String... dummy) {
    // Twitter4J 4.0.3 or earlier
    TwitterStream stream = TwitterStreamFactory.getSingleton();
    stream.addListener(new StatusAdapter() {

        @Override
        public void onStatus(Status status) {
            String.format("@%s %s", status.getUser().getScreenName(), status.getText());
        }

        @Override
        public void onException(Exception ex) {
            ex.printStackTrace();
        }
    });
    stream.filter(new FilterQuery(new String[] { "twitter4j", "#twitter4j" }));
}

Example 4 with TwitterStream

use of twitter4j.TwitterStream in project druid by druid-io.

the class TwitterSpritzerFirehoseFactory method connect.

@Override
public Firehose connect(InputRowParser parser) throws IOException {
    final ConnectionLifeCycleListener connectionLifeCycleListener = new ConnectionLifeCycleListener() {

        @Override
        public void onConnect() {
            log.info("Connected_to_Twitter");
        }

        @Override
        public void onDisconnect() {
            log.info("Disconnect_from_Twitter");
        }

        /**
       * called before thread gets cleaned up
       */
        @Override
        public void onCleanUp() {
            log.info("Cleanup_twitter_stream");
        }
    };
    // ConnectionLifeCycleListener
    final TwitterStream twitterStream;
    final StatusListener statusListener;
    final int QUEUE_SIZE = 2000;
    /** This queue is used to move twitter events from the twitter4j thread to the druid ingest thread.   */
    final BlockingQueue<Status> queue = new ArrayBlockingQueue<Status>(QUEUE_SIZE);
    final long startMsec = System.currentTimeMillis();
    //
    //   set up Twitter Spritzer
    //
    twitterStream = new TwitterStreamFactory().getInstance();
    twitterStream.addConnectionLifeCycleListener(connectionLifeCycleListener);
    statusListener = new StatusListener() {

        // This is what really gets called to deliver stuff from twitter4j
        @Override
        public void onStatus(Status status) {
            // time to stop?
            if (Thread.currentThread().isInterrupted()) {
                throw new RuntimeException("Interrupted, time to stop");
            }
            try {
                boolean success = queue.offer(status, 15L, TimeUnit.SECONDS);
                if (!success) {
                    log.warn("queue too slow!");
                }
            } catch (InterruptedException e) {
                throw new RuntimeException("InterruptedException", e);
            }
        }

        @Override
        public void onDeletionNotice(StatusDeletionNotice statusDeletionNotice) {
        //log.info("Got a status deletion notice id:" + statusDeletionNotice.getStatusId());
        }

        @Override
        public void onTrackLimitationNotice(int numberOfLimitedStatuses) {
            // This notice will be sent each time a limited stream becomes unlimited.
            // If this number is high and or rapidly increasing, it is an indication that your predicate is too broad, and you should consider a predicate with higher selectivity.
            log.warn("Got track limitation notice:" + numberOfLimitedStatuses);
        }

        @Override
        public void onScrubGeo(long userId, long upToStatusId) {
        //log.info("Got scrub_geo event userId:" + userId + " upToStatusId:" + upToStatusId);
        }

        @Override
        public void onException(Exception ex) {
            ex.printStackTrace();
        }

        @Override
        public void onStallWarning(StallWarning warning) {
            System.out.println("Got stall warning:" + warning);
        }
    };
    twitterStream.addListener(statusListener);
    // creates a generic StatusStream
    twitterStream.sample();
    log.info("returned from sample()");
    return new Firehose() {

        private final Runnable doNothingRunnable = new Runnable() {

            public void run() {
            }
        };

        private long rowCount = 0L;

        private boolean waitIfmax = (getMaxEventCount() < 0L);

        private final Map<String, Object> theMap = new TreeMap<>();

        // DIY json parsing // private final ObjectMapper omapper = new ObjectMapper();
        private boolean maxTimeReached() {
            if (getMaxRunMinutes() <= 0) {
                return false;
            } else {
                return (System.currentTimeMillis() - startMsec) / 60000L >= getMaxRunMinutes();
            }
        }

        private boolean maxCountReached() {
            return getMaxEventCount() >= 0 && rowCount >= getMaxEventCount();
        }

        @Override
        public boolean hasMore() {
            if (maxCountReached() || maxTimeReached()) {
                return waitIfmax;
            } else {
                return true;
            }
        }

        @Override
        public InputRow nextRow() {
            // Interrupted to stop?
            if (Thread.currentThread().isInterrupted()) {
                throw new RuntimeException("Interrupted, time to stop");
            }
            // all done?
            if (maxCountReached() || maxTimeReached()) {
                if (waitIfmax) {
                    // sleep a long time instead of terminating
                    try {
                        log.info("reached limit, sleeping a long time...");
                        Thread.sleep(2000000000L);
                    } catch (InterruptedException e) {
                        throw new RuntimeException("InterruptedException", e);
                    }
                } else {
                // allow this event through, and the next hasMore() call will be false
                }
            }
            if (++rowCount % 1000 == 0) {
                log.info("nextRow() has returned %,d InputRows", rowCount);
            }
            Status status;
            try {
                status = queue.take();
            } catch (InterruptedException e) {
                throw new RuntimeException("InterruptedException", e);
            }
            theMap.clear();
            HashtagEntity[] hts = status.getHashtagEntities();
            String text = status.getText();
            theMap.put("text", (null == text) ? "" : text);
            theMap.put("htags", (hts.length > 0) ? Lists.transform(Arrays.asList(hts), new Function<HashtagEntity, String>() {

                @Nullable
                @Override
                public String apply(HashtagEntity input) {
                    return input.getText();
                }
            }) : ImmutableList.<String>of());
            long[] lcontrobutors = status.getContributors();
            List<String> contributors = new ArrayList<>();
            for (long contrib : lcontrobutors) {
                contributors.add(String.format("%d", contrib));
            }
            theMap.put("contributors", contributors);
            GeoLocation geoLocation = status.getGeoLocation();
            if (null != geoLocation) {
                double lat = status.getGeoLocation().getLatitude();
                double lon = status.getGeoLocation().getLongitude();
                theMap.put("lat", lat);
                theMap.put("lon", lon);
            } else {
                theMap.put("lat", null);
                theMap.put("lon", null);
            }
            if (status.getSource() != null) {
                Matcher m = sourcePattern.matcher(status.getSource());
                theMap.put("source", m.find() ? m.group(1) : status.getSource());
            }
            theMap.put("retweet", status.isRetweet());
            if (status.isRetweet()) {
                Status original = status.getRetweetedStatus();
                theMap.put("retweet_count", original.getRetweetCount());
                User originator = original.getUser();
                theMap.put("originator_screen_name", originator != null ? originator.getScreenName() : "");
                theMap.put("originator_follower_count", originator != null ? originator.getFollowersCount() : "");
                theMap.put("originator_friends_count", originator != null ? originator.getFriendsCount() : "");
                theMap.put("originator_verified", originator != null ? originator.isVerified() : "");
            }
            User user = status.getUser();
            final boolean hasUser = (null != user);
            theMap.put("follower_count", hasUser ? user.getFollowersCount() : 0);
            theMap.put("friends_count", hasUser ? user.getFriendsCount() : 0);
            theMap.put("lang", hasUser ? user.getLang() : "");
            // resolution in seconds, -1 if not available?
            theMap.put("utc_offset", hasUser ? user.getUtcOffset() : -1);
            theMap.put("statuses_count", hasUser ? user.getStatusesCount() : 0);
            theMap.put("user_id", hasUser ? String.format("%d", user.getId()) : "");
            theMap.put("screen_name", hasUser ? user.getScreenName() : "");
            theMap.put("location", hasUser ? user.getLocation() : "");
            theMap.put("verified", hasUser ? user.isVerified() : "");
            theMap.put("ts", status.getCreatedAt().getTime());
            List<String> dimensions = Lists.newArrayList(theMap.keySet());
            return new MapBasedInputRow(status.getCreatedAt().getTime(), dimensions, theMap);
        }

        @Override
        public Runnable commit() {
            // reuse the same object each time
            return doNothingRunnable;
        }

        @Override
        public void close() throws IOException {
            log.info("CLOSE twitterstream");
            // invokes twitterStream.cleanUp()
            twitterStream.shutdown();
        }
    };
}

Example 5 with TwitterStream

use of twitter4j.TwitterStream in project tutorials by eugenp.

the class Application method streamFeed.

public static void streamFeed() {
    StatusListener listener = new StatusListener() {

        @Override
        public void onException(Exception e) {
            e.printStackTrace();
        }

        @Override
        public void onDeletionNotice(StatusDeletionNotice arg) {
            System.out.println("Got a status deletion notice id:" + arg.getStatusId());
        }

        @Override
        public void onScrubGeo(long userId, long upToStatusId) {
            System.out.println("Got scrub_geo event userId:" + userId + " upToStatusId:" + upToStatusId);
        }

        @Override
        public void onStallWarning(StallWarning warning) {
            System.out.println("Got stall warning:" + warning);
        }

        @Override
        public void onStatus(Status status) {
            System.out.println(status.getUser().getName() + " : " + status.getText());
        }

        @Override
        public void onTrackLimitationNotice(int numberOfLimitedStatuses) {
            System.out.println("Got track limitation notice:" + numberOfLimitedStatuses);
        }
    };
    TwitterStream twitterStream = new TwitterStreamFactory().getInstance();
    twitterStream.addListener(listener);
    twitterStream.sample();
}