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                                 break;
  44                         case ORDERED:
  45                                 break; // do nothing.
  46                         case EATING:// just wait some more and request bill.
  47                                 // MessageProducer wantToPay =
  48                                 // session.createProducer(session.createQueue("WantToPay"));
  49                                 // wantToPay.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  50                                 // wantToPay.send(session.createObjectMessage(this));
  51                                 break;
  52                         case PAY:// leave table
  53                                 // MessageProducer wantToLeave =
  54                                 // session.createProducer(session.createQueue("LeftPizzaria"));
  55                                 // wantToLeave.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  56                                 // wantToLeave.send(session.createObjectMessage(this));
  57                                 break;
  58                         case GONE:
  59                                 break; // do nothing.
  60                         default:
  61                                 break;
  62                         }
  63
  64                 } catch (InterruptedException e) {
  65                         e.printStackTrace();
  66                 }
  67         }
  68
  69         // lets go to the pizzaria.
  70         public void goGrabSomeFood() {
  71                 log.debug("goGrabSomeFood(): " + this);
  72                 groupData.setState(GroupState.WAITING);
  73                 new Thread(this).start();
  74         }
  75
  76         // get a table assigned by a waiter.
  77         public void assignTable(Table t, int waiterID) {
  78                 groupData.setState(GroupState.SITTING);
  79                 groupData.setTable(t);
  80                 groupData.setTableWaiter(waiterID);
  81                 new Thread(this).start();
  82                 log.debug("assignTable(): " + this);
  83         }
  84
  85         // ask the group to send their order.
  86         public void askForOrder(int waiter) {
  87                 groupData.setState(GroupState.ORDERED);
  88                 groupData.setOrderWaiter(waiter);
  89                 new Thread(this).start();
  90                 log.debug("askForOrder(): " + this);
  91         }
  92
  93         // pizzas are here! nom pizzas!
  94         public void bringOrderedPizzas(Order order, int waiter) {
  95                 groupData.setState(GroupState.EATING);
  96                 groupData.setOrder(order);
  97                 groupData.setPizzaWaiter(waiter);
  98                 new Thread(this).start();
  99                 log.debug("bringOrderedPizzas(): " + this);
 100         }
 101 }