src/main/java/at/ac/tuwien/sbc/valesriegler/group/Group.java

   1 package at.ac.tuwien.sbc.valesriegler.group;
   2
   3 import org.slf4j.Logger;
   4 import org.slf4j.LoggerFactory;
   5
   6 import at.ac.tuwien.sbc.valesriegler.group.actions.OrderRequest;
   7 import at.ac.tuwien.sbc.valesriegler.group.actions.TableRequest;
   8 import at.ac.tuwien.sbc.valesriegler.types.GroupData;
   9 import at.ac.tuwien.sbc.valesriegler.types.GroupState;
  10 import at.ac.tuwien.sbc.valesriegler.types.Order;
  11 import at.ac.tuwien.sbc.valesriegler.types.Table;
  12
  13 // class doing all the Group related work as required.
  14 public class Group implements Runnable {
  15         private static final Logger log = LoggerFactory.getLogger(Group.class);
  16         private static int idNext = -1; // TODO: set to 0 after debugging!
  17
  18         final private GroupData groupData;
  19
  20         public GroupData getGroupData() {
  21                 return groupData;
  22         }
  23
  24         public Group() {
  25                 groupData = new GroupData(++idNext);
  26         }
  27
  28         @Override
  29         public void run() {
  30                 log.debug("Thread started for:" + this);
  31                 try {
  32                         Thread.sleep((long) (Math.random() * 10000));
  33
  34                         switch (groupData.getState()) {
  35                         case NEW:
  36                                 // TODO : may not happen!
  37                                 break;
  38                         case WAITING:
  39                                 GroupAgent.getInstance().getGroupcomm().send(new TableRequest(groupData));
  40                                 break;
  41                         case SITTING:
  42                                 GroupAgent.getInstance().getGroupcomm().send(new OrderRequest(groupData));
  43                                 order();
  44                                 break;
  45                         case ORDER_PENDING:
  46                                 break; // do nothing.
  47                         case ORDERED:
  48                                 break; // do nothing.
  49                         case EATING:// just wait some more and request bill.
  50                                 // MessageProducer wantToPay =
  51                                 // session.createProducer(session.createQueue("WantToPay"));
  52                                 // wantToPay.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  53                                 // wantToPay.send(session.createObjectMessage(this));
  54                                 break;
  55                         case PAY:// leave table
  56                                 // MessageProducer wantToLeave =
  57                                 // session.createProducer(session.createQueue("LeftPizzaria"));
  58                                 // wantToLeave.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  59                                 // wantToLeave.send(session.createObjectMessage(this));
  60                                 break;
  61                         case GONE:
  62                                 break; // do nothing.
  63                         default:
  64                                 break;
  65                         }
  66
  67                 } catch (InterruptedException e) {
  68                         e.printStackTrace();
  69                 }
  70         }
  71
  72         // lets go to the pizzaria.
  73         public void goGrabSomeFood() {
  74                 log.debug("goGrabSomeFood(): " + this);
  75                 groupData.setState(GroupState.WAITING);
  76                 new Thread(this).start();
  77         }
  78
  79         // get a table assigned by a waiter.
  80         public void assignTable(Table t, int waiterID) {
  81                 groupData.setState(GroupState.SITTING);
  82                 groupData.setTable(t);
  83                 groupData.setTableWaiter(waiterID);
  84                 new Thread(this).start();
  85                 log.debug("assignTable(): " + this);
  86         }
  87
  88         // ask the group to send their order.
  89         public void order() {
  90                 groupData.setState(GroupState.ORDER_PENDING);
  91                 new Thread(this).start();
  92                 log.debug("order(): " + this);
  93         }
  94
  95         // Waiter telling group he/she forwarded the order.
  96         public void orderReceived(int waiter) {
  97                 groupData.setState(GroupState.ORDERED);
  98                 groupData.setOrderWaiter(waiter);
  99                 new Thread(this).start();
 100                 log.debug("orderReceived(): " + this);
 101         }
 102
 103         // pizzas are here! nom nom nom
 104         public void deliverPizzas(Order order, int waiter) {
 105                 groupData.setState(GroupState.EATING);
 106                 groupData.setOrder(order);
 107                 groupData.setPizzaWaiter(waiter);
 108                 new Thread(this).start();
 109                 log.debug("bringOrderedPizzas(): " + this);
 110         }
 111 }