src/main/java/at/ac/tuwien/sbc/valesriegler/cook/jms/messageListeners/CookRequestedPizza.java

   1 package at.ac.tuwien.sbc.valesriegler.cook.jms.messageListeners;
   2
   3 import javax.jms.Connection;
   4 import javax.jms.DeliveryMode;
   5 import javax.jms.JMSException;
   6 import javax.jms.Message;
   7 import javax.jms.MessageListener;
   8 import javax.jms.MessageProducer;
   9 import javax.jms.ObjectMessage;
  10 import javax.jms.Session;
  11
  12 import org.apache.activemq.ActiveMQConnectionFactory;
  13 import org.slf4j.Logger;
  14 import org.slf4j.LoggerFactory;
  15
  16 import at.ac.tuwien.sbc.valesriegler.cook.JMSCook;
  17 import at.ac.tuwien.sbc.valesriegler.cook.actions.PizzaInfo;
  18 import at.ac.tuwien.sbc.valesriegler.types.Pizza;
  19 import at.ac.tuwien.sbc.valesriegler.types.PizzaOrder;
  20 import at.ac.tuwien.sbc.valesriegler.types.PizzaOrderStatus;
  21
  22 public class CookRequestedPizza implements MessageListener {
  23         private static final Logger log = LoggerFactory.getLogger(CookRequestedPizza.class);
  24         private final JMSCook cook;
  25
  26         public CookRequestedPizza(JMSCook cook) {
  27                 this.cook = cook;
  28         }
  29
  30         @Override
  31         public void onMessage(Message msg) {
  32                 try {
  33                         msg.acknowledge();
  34                         if (msg instanceof ObjectMessage) {
  35                                 ObjectMessage objMsg = (ObjectMessage) msg;
  36                                 Object obj = objMsg.getObject();
  37
  38                                 if (obj instanceof PizzaOrder) {
  39                                         PizzaOrder pizzaorder = (PizzaOrder) obj;
  40                                         log.debug("Received: " + pizzaorder);
  41
  42                                         // generate random delay
  43                                         Thread.sleep((long) (pizzaorder.getPizzaType().duration * 1000));
  44                                         pizzaorder.setStatus(PizzaOrderStatus.DONE);
  45
  46                                         ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("tcp://localhost:61616");
  47                                         Connection connection = connectionFactory.createConnection();
  48                                         connection.start();
  49
  50                                         Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  51                                         MessageProducer prodCP = session.createProducer(session.createQueue("CookedPizzas"));
  52                                         prodCP.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  53                                         prodCP.send(session.createObjectMessage(Pizza.createPizzaFromPizzaOrder(pizzaorder, cook)));
  54
  55                                         MessageProducer wantToSitAtTable = session.createProducer(session.createQueue("PizzeriaConnector"));
  56                                         wantToSitAtTable.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  57                                         PizzaInfo pi = new PizzaInfo(pizzaorder.getId(), pizzaorder.getStatus(), cook.getId());
  58                                         wantToSitAtTable.send(session.createObjectMessage(pi));
  59                                         session.close();
  60
  61                                         connection.close();
  62                                 } else {
  63                                         log.warn("Received unknown Object: " + obj);
  64                                 }
  65                         } else {
  66                                 log.warn("Received unknown Message: " + msg);
  67                         }
  68                 } catch (JMSException e) {
  69                         log.error("EXCEPTION!", e);
  70                 } catch (InterruptedException e) {
  71                         log.error("EXCEPTION!", e);
  72                 }
  73         }
  74 }