HSG-MCS-HS21_tapas/roster/src/main/java/ch/unisg/roster/RosterApplication.java
2021-11-29 00:23:51 +01:00

61 lines
2.2 KiB
Java

package ch.unisg.roster;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import ch.unisg.roster.roster.adapter.out.persistence.mongodb.RosterRepository;
import ch.unisg.roster.roster.application.port.in.LoadRosterItemPort;
import ch.unisg.roster.roster.domain.Roster;
import ch.unisg.roster.roster.domain.RosterItem;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.core.env.ConfigurableEnvironment;
import ch.unisg.roster.roster.adapter.common.clients.TapasMqttClient;
import ch.unisg.roster.roster.adapter.in.messaging.mqtt.ExecutorEventMqttListener;
import ch.unisg.roster.roster.adapter.in.messaging.mqtt.ExecutorEventsMqttDispatcher;
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
@SpringBootApplication
@EnableMongoRepositories(basePackageClasses = RosterRepository.class)
public class RosterApplication {
static Logger logger = Logger.getLogger(RosterApplication.class.getName());
private static ConfigurableEnvironment ENVIRONMENT;
private static LoadRosterItemPort loadRosterItemPort;
public static void main(String[] args) {
SpringApplication rosterApp = new SpringApplication(RosterApplication.class);
ENVIRONMENT = rosterApp.run(args).getEnvironment();
bootstrapMarketplaceWithMqtt();
initialiseRoster();
}
/**
* Connects to an MQTT broker, presumably the one used by all TAPAS groups to communicate with
* one another
*/
private static void bootstrapMarketplaceWithMqtt() {
String broker = ENVIRONMENT.getProperty("mqtt.broker.uri");
try {
ExecutorEventsMqttDispatcher dispatcher = new ExecutorEventsMqttDispatcher();
TapasMqttClient client = TapasMqttClient.getInstance(broker, dispatcher);
client.startReceivingMessages();
} catch (MqttException e) {
logger.log(Level.SEVERE, e.getMessage(), e);
}
}
private static void initialiseRoster(){
List<RosterItem> rosterItemList = loadRosterItemPort.loadAllRosterItems();
Roster.getInstance().initialiseRoster(rosterItemList);
}
}