@Override
public void send(Event e, Port p) {
if (p.getName().equals("IOStream")) {
IOStreamPort_out.send(e);
} else { // Internal channel managed by ThingML
super.send(e, p);
}
}
@Start
public void start() {
queue = new LinkedBlockingQueue<>(100000);
BlockingQueue<Event> eventQueue = new LinkedBlockingQueue<>(1000);
// Declare the host you want to connect to, the endpoint, and authentication (basic auth or
// oauth)
Hosts hosebirdHosts = new HttpHosts(Constants.STREAM_HOST);
StatusesFilterEndpoint hosebirdEndpoint = new StatusesFilterEndpoint();
// set up some track terms
if (trackTerms != null && !trackTerms.isEmpty()) {
hosebirdEndpoint.trackTerms(Lists.newArrayList(trackTerms.split(" ")));
}
// set up some followings
if (followingIDs != null && !followingIDs.isEmpty()) {
Set<Long> followings = new HashSet<>();
for (String id : followingIDs.split(" ")) {
followings.add(Long.parseLong(id));
}
hosebirdEndpoint.followings(Lists.newArrayList(followings));
}
// These secrets should be read from a config file
Authentication hosebirdAuth = new OAuth1(consumerKey, consumerSecret, token, secret);
ClientBuilder builder =
new ClientBuilder()
.name("twitter-client")
.hosts(hosebirdHosts)
.authentication(hosebirdAuth)
.endpoint(hosebirdEndpoint)
.processor(new StringDelimitedProcessor(queue))
.eventMessageQueue(eventQueue);
client = builder.build();
// Attempts to establish a connection.
client.connect();
executor.submit(
() -> {
while (client != null && !client.isDone()) {
try {
String msg = queue.poll(5000, TimeUnit.MILLISECONDS);
if (msg != null) {
out.send(msg, null);
}
} catch (InterruptedException e) {
Log.warn("Twitter messages blocking queue interrupted while waiting.");
}
}
});
}
@Input
public void in(Object i) {
out.send(getLastSortedRdv());
}
public String getPath() {
return port.getPath();
}
@Override
public void onMessage(String channel, String message) {
port.send(message);
}