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package akkamon.api;
import akka.actor.typed.ActorRef;
import akka.actor.typed.ActorSystem;
import akkamon.api.models.Event;
import akkamon.api.models.HeartBeatEvent;
import akkamon.domain.AkkamonMessageEngine;
import akkamon.domain.AkkamonNexus;
import akkamon.domain.AkkamonSession;
import com.google.gson.Gson;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
public class MessagingEngine implements AkkamonMessageEngine {
private Map<String, AkkamonSession> trainerIdToAkkamonSessions = new HashMap<>();
private Gson gson = new Gson();
private ActorRef<AkkamonNexus.Command> system;
public MessagingEngine() {
this.system = ActorSystem.create(AkkamonNexus.create(this), "akkamon-system");
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(2);
executor.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
heartBeat();
}
}, 0, 200, TimeUnit.MILLISECONDS);
}
private void heartBeat() {
if (!trainerIdToAkkamonSessions.isEmpty()) {
for (Map.Entry<String, AkkamonSession> entry : trainerIdToAkkamonSessions.entrySet()) {
// System.out.println("heartbeat to " + entry.getKey());
entry.getValue().send(gson.toJson(new HeartBeatEvent()));
}
}
}
@Override
public void broadCastGridPosition() {
}
@Override
public void registerTrainerSession(String trainerId, AkkamonSession session) {
trainerIdToAkkamonSessions.put(trainerId, session);
}
@Override
public void removeTrainerSession(String trainerId, AkkamonSession session) {
}
void incoming(AkkamonSession session, String message) {
Event event = gson.fromJson(message, Event.class);
switch (event.type) {
case TRAINER_REGISTRATION:
String trainerId = String.valueOf(trainerIdToAkkamonSessions.size());
String sceneId = "AkkamonStartScene";
system.tell(new AkkamonNexus.RequestTrainerRegistration(
trainerId,
sceneId,
session,
system
));
break;
case HEART_BEAT:
System.out.println("My heart goes boom skip!");
break;
}
}
private void updatePositions() {
}
}
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