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 /**
  23  * Cook the requested pizza.
  24  *
  25  * @author jan
  26  *
  27  */
  28 public class CookRequestedPizza implements MessageListener {
  29         private static final Logger log = LoggerFactory.getLogger(CookRequestedPizza.class);
  30         private final JMSCook cook;
  31
  32         public CookRequestedPizza(JMSCook cook) {
  33                 this.cook = cook;
  34         }
  35
  36         @Override
  37         public void onMessage(Message msg) {
  38                 try {
  39                         msg.acknowledge();
  40                         if (msg instanceof ObjectMessage) {
  41                                 ObjectMessage objMsg = (ObjectMessage) msg;
  42                                 Object obj = objMsg.getObject();
  43
  44                                 if (obj instanceof PizzaOrder) {
  45                                         PizzaOrder pizzaorder = (PizzaOrder) obj;
  46                                         log.debug("Received: " + pizzaorder);
  47
  48                                         // generate random delay
  49                                         Thread.sleep((long) (pizzaorder.getPizzaType().duration * 1000));
  50                                         pizzaorder.setStatus(PizzaOrderStatus.DONE);
  51
  52                                         ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("tcp://localhost:61616");
  53                                         Connection connection = connectionFactory.createConnection();
  54                                         connection.start();
  55
  56                                         Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  57                                         MessageProducer prodCP = session.createProducer(session.createQueue("CookedPizzas"));
  58                                         prodCP.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  59                                         prodCP.send(session.createObjectMessage(Pizza.createPizzaFromPizzaOrder(pizzaorder, cook.getId())));
  60
  61                                         MessageProducer wantToSitAtTable = session.createProducer(session.createQueue("PizzeriaConnector"));
  62                                         wantToSitAtTable.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  63                                         PizzaInfo pi = new PizzaInfo(pizzaorder.getId(), pizzaorder.getStatus(), cook.getId());
  64                                         wantToSitAtTable.send(session.createObjectMessage(pi));
  65                                         session.close();
  66
  67                                         connection.close();
  68                                 } else {
  69                                         log.warn("Received unknown Object: " + obj);
  70                                 }
  71                         } else {
  72                                 log.warn("Received unknown Message: " + msg);
  73                         }
  74                 } catch (JMSException e) {
  75                         log.error("EXCEPTION!", e);
  76                 } catch (InterruptedException e) {
  77                         log.error("EXCEPTION!", e);
  78                 }
  79         }
  80
  81         @Override
  82         public String toString() {
  83                 return "CookRequestedPizza [cook=" + cook + "]";
  84         }
  85 }