src/main/java/at/ac/tuwien/sbc/valesriegler/cook/jms/messageListeners/DeliveryOrdersToCook.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.common.Util;
  17 import at.ac.tuwien.sbc.valesriegler.cook.actions.DeliveryOrderInfo;
  18 import at.ac.tuwien.sbc.valesriegler.cook.jms.JMSCook;
  19 import at.ac.tuwien.sbc.valesriegler.group.actions.DeliveryOrderRequest;
  20 import at.ac.tuwien.sbc.valesriegler.types.OrderStatus;
  21 import at.ac.tuwien.sbc.valesriegler.types.Pizza;
  22 import at.ac.tuwien.sbc.valesriegler.types.PizzaOrder;
  23 import at.ac.tuwien.sbc.valesriegler.types.PizzaOrderStatus;
  24
  25 /**
  26  * Cook the requested pizza.
  27  *
  28  * @author jan
  29  *
  30  */
  31 public class DeliveryOrdersToCook implements MessageListener {
  32         private static final Logger log = LoggerFactory.getLogger(DeliveryOrdersToCook.class);
  33         private final JMSCook cook;
  34
  35         public DeliveryOrdersToCook(JMSCook cook) {
  36                 this.cook = cook;
  37         }
  38
  39         @Override
  40         public void onMessage(Message msg) {
  41                 try {
  42                         synchronized (cook) {
  43                                 if (msg instanceof ObjectMessage) {
  44                                         ObjectMessage objMsg = (ObjectMessage) msg;
  45                                         Object obj = objMsg.getObject();
  46
  47                                         if (obj instanceof DeliveryOrderRequest) {
  48                                                 DeliveryOrderRequest dor = (DeliveryOrderRequest) obj;
  49                                                 log.debug("Received: " + dor);
  50
  51                                                 for (PizzaOrder pizzaorder : dor.getDeliveryGroupData().getOrder().getOrderedPizzas()) {
  52                                                         pizzaorder.setStatus(PizzaOrderStatus.IN_PREPARATION);
  53                                                         pizzaorder.setCookId(cook.getId());
  54                                                 }
  55
  56                                                 ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(cook.getCONNECTSTRING());
  57                                                 Connection connection = connectionFactory.createConnection();
  58                                                 connection.start();
  59
  60                                                 // inform pizzeria
  61                                                 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  62                                                 MessageProducer prod = session.createProducer(session.createQueue("PizzeriaConnector"));
  63                                                 prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  64                                                 DeliveryOrderInfo doi = new DeliveryOrderInfo(dor.getDeliveryGroupData(), cook.getId());
  65                                                 prod.send(session.createObjectMessage(doi));
  66                                                 session.close();
  67
  68                                                 // generate delay
  69                                                 for (PizzaOrder po : dor.getDeliveryGroupData().getOrder().getOrderedPizzas()) {
  70                                                         if (!Util.runSimulation) {
  71                                                                 Thread.sleep(po.getPizzaType().duration * 1000);
  72                                                         }
  73                                                         po.setStatus(PizzaOrderStatus.DONE);
  74                                                         Pizza p = Pizza.createPizzaFromPizzaOrder(po, cook.getId(), false);
  75                                                         dor.getDeliveryGroupData().getOrder().getCookedPizzas().add(p);
  76                                                 }
  77                                                 dor.getDeliveryGroupData().getOrder().setStatus(OrderStatus.DELIVERY_PENDING);
  78
  79                                                 // let pizzas be delivered.
  80                                                 session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  81                                                 prod = session.createProducer(session.createQueue("CookedDeliveryOrders"));
  82                                                 prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  83                                                 prod.send(session.createObjectMessage(doi));
  84
  85                                                 // inform pizzeria
  86                                                 prod = session.createProducer(session.createQueue("PizzeriaConnector"));
  87                                                 prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  88                                                 // WTF: oi = new OrderInfo(orderrequest.getGroupdata(), cook.getId());
  89                                                 prod.send(session.createObjectMessage(doi));
  90                                                 session.close();
  91
  92                                                 // inform GroupGUI
  93                                                 prod = session.createProducer(session.createQueue("GroupConnector"));
  94                                                 prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  95                                                 // WTF: oi = new OrderInfo(orderrequest.getGroupdata(), cook.getId());
  96                                                 prod.send(session.createObjectMessage(doi));
  97                                                 session.close();
  98                                                 connection.close();
  99                                         } else {
 100                                                 log.warn("Received unknown Object: " + obj);
 101                                         }
 102                                 } else {
 103                                         log.warn("Received unknown Message: " + msg);
 104                                 }
 105                                 msg.acknowledge();
 106                         }
 107                 } catch (JMSException e) {
 108                         log.error("EXCEPTION!", e);
 109                 } catch (InterruptedException e) {
 110                         log.error("EXCEPTION!", e);
 111                 }
 112         }
 113
 114         @Override
 115         public String toString() {
 116                 return "CookRequestedPizza [cook=" + cook + "]";
 117         }
 118 }