Example usage for twitter4j FilterQuery toString

Introduction

In this page you can find the example usage for twitter4j FilterQuery toString.

Prototype

@Override
    public String toString() 

Source Link

Usage

From source file:com.telefonica.iot.cygnus.sources.TwitterSource.java

License:Open Source License

@Override
public synchronized void start() {
    LOGGER.info("Starting twitter source {} ...", this);
    documentCount = 0;/*w w w  .jav a 2 s .co  m*/
    startTime = System.currentTimeMillis();
    exceptionCount = 0;
    totalTextIndexed = 0;
    skippedDocs = 0;
    batchEndTime = System.currentTimeMillis() + maxBatchDurationMillis;

    final ChannelProcessor channel = getChannelProcessor();

    StatusListener listener = new StatusListener() {
        public void onStatus(Status status) {
            String jsonTweet = getStringJSONTweet(status);
            Event event = EventBuilder.withBody(jsonTweet, Charset.forName("UTF8"));

            eventBatch.add(event);

            if (eventBatch.size() >= maxBatchSize || System.currentTimeMillis() >= batchEndTime) {
                batchEndTime = System.currentTimeMillis() + maxBatchDurationMillis;

                channel.processEventBatch(eventBatch); // send batch of events (one per tweet) to the flume sink
                eventBatch.clear();
            }

            documentCount++;
            if ((documentCount % REPORT_INTERVAL) == 0) {
                LOGGER.info(String.format("Processed %s docs", numFormatter.format(documentCount)));
            }
            if ((documentCount % STATS_INTERVAL) == 0) {
                logStats();
            }
        }

        // This listener will ignore everything except for new tweets
        public void onDeletionNotice(StatusDeletionNotice statusDeletionNotice) {
        }

        public void onTrackLimitationNotice(int numberOfLimitedStatuses) {
        }

        public void onScrubGeo(long userId, long upToStatusId) {
        }

        public void onStallWarning(StallWarning warning) {
        }

        public void onException(Exception e) {
            LOGGER.error("Exception while streaming tweets", e);
        }
    };

    twitterStream.addListener(listener);

    if (haveFilters) {
        FilterQuery filterQuery = new FilterQuery();

        if (haveCoordinateFilter) {
            filterQuery.locations(boundingBox);
            LOGGER.info("Coordinates added to filter query: {}", boundingBox[0][0] + " " + boundingBox[0][1]
                    + " " + boundingBox[1][0] + " " + boundingBox[1][1]);
        }
        if (haveKeywordFilter) {
            filterQuery.track(splitKeywords);
            LOGGER.info("Keywords added to filter query: {}", Arrays.toString(splitKeywords));
        }
        twitterStream.filter(filterQuery);
        LOGGER.info("Filter Query created: {}", filterQuery.toString());
    }

    LOGGER.info("Twitter source {} started.", getName());

    super.start();
}

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