@Override
public void run() {
while (provider.isRunning()) {
ResponseList<Post> postResponseList;
try {
postResponseList = client.getFeed(id);
Set<Post> update = Sets.newHashSet(postResponseList);
Set<Post> repeats = Sets.intersection(priorPollResult, Sets.newHashSet(update));
Set<Post> entrySet = Sets.difference(update, repeats);
LOGGER.debug(
this.id
+ " response: "
+ update.size()
+ " previous: "
+ repeats.size()
+ " new: "
+ entrySet.size());
for (Post item : entrySet) {
String json = DataObjectFactory.getRawJSON(item);
org.apache.streams.facebook.Post post =
mapper.readValue(json, org.apache.streams.facebook.Post.class);
try {
lock.readLock().lock();
ComponentUtils.offerUntilSuccess(new StreamsDatum(post), providerQueue);
countersCurrent.incrementAttempt();
} finally {
lock.readLock().unlock();
}
}
priorPollResult = update;
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
Thread.sleep(configuration.getPollIntervalMillis());
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
}
}
@Override
public void startStream() {
client = getFacebookClient();
if (configuration.getInfo() != null && configuration.getInfo().size() > 0) {
for (String id : configuration.getInfo()) {
executor.submit(new FacebookFeedPollingTask(this, id));
}
running.set(true);
} else {
try {
String id = client.getMe().getId();
executor.submit(new FacebookFeedPollingTask(this, id));
running.set(true);
} catch (FacebookException e) {
LOGGER.error(e.getMessage());
running.set(false);
}
}
}