Package net.fortytwo.twitlogic.larkc.sail

Examples of net.fortytwo.twitlogic.larkc.sail.QueueingSail


    }

    private void start(final Factory<SailConnectionListener> factory) throws Exception {
        NotifyingSail baseSail = new MemoryStore();
        baseSail.initialize();
        Sail sail = new QueueingSail(baseSail, factory.create());

        try {
            // Create a persistent store.
            TweetStore store = new TweetStore(sail);
            store.setSailConnectionListenerFactory(factory);
            store.doNotRefreshCoreMetadata();
            store.initialize();

            try {
                // Create a client for communication with Twitter.
                CustomTwitterClient client = new CustomTwitterClient();

                Set<User> users = TwitLogic.findFollowList(client);
                Set<String> terms = TwitLogic.findTrackTerms();

                final Handler<Tweet> annotator
                        = createAnnotator(store, client);

                final SailConnection c = sail.getConnection();
                //c.addConnectionListener(listener);

                try {
                    Handler<Tweet> adder = new Handler<Tweet>() {
                        public boolean isOpen() {
                            return !closed && annotator.isOpen();
                        }

                        public void handle(final Tweet tweet) throws HandlerException {
                            try {
                                c.clear();
                                c.commit();
                                c.begin();
                            } catch (SailException e) {
                                throw new HandlerException(e);
                            }

                            annotator.handle(tweet);
                        }
                    };

                    // Can't use a deleter here.
                    NullHandler<Tweet> d = new NullHandler<Tweet>();

                    // TODO: optionally gather historical tweets

                    TweetReceivedLogger rLogger = new TweetReceivedLogger(client.getStatistics(), adder);

                    if (0 < users.size() || 0 < terms.size()) {
                        client.processFilterStream(users, terms, null, rLogger, d, 0);
                    } else {
                        client.processSampleStream(rLogger, d);
                    }
                } finally {
                    c.close();
                }
            } finally {
                store.shutDown();
            }
        } finally {
            sail.shutDown();
        }
    }
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