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

   1 package at.ac.tuwien.sbc.valesriegler.group;
   2
   3 import java.io.Serializable;
   4
   5 import org.slf4j.Logger;
   6 import org.slf4j.LoggerFactory;
   7
   8 import at.ac.tuwien.sbc.valesriegler.common.HasId;
   9 import at.ac.tuwien.sbc.valesriegler.group.actions.OrderRequest;
  10 import at.ac.tuwien.sbc.valesriegler.group.actions.PayRequest;
  11 import at.ac.tuwien.sbc.valesriegler.group.actions.TableFree;
  12 import at.ac.tuwien.sbc.valesriegler.group.actions.TableRequest;
  13 import at.ac.tuwien.sbc.valesriegler.types.GroupData;
  14 import at.ac.tuwien.sbc.valesriegler.types.GroupState;
  15 import at.ac.tuwien.sbc.valesriegler.types.Order;
  16 import at.ac.tuwien.sbc.valesriegler.types.Table;
  17
  18 /**
  19  * class denoting a Group's will.
  20  *
  21  * @author jan
  22  *
  23  */
  24 public class Group implements Runnable, HasId {
  25         private static final Logger log = LoggerFactory.getLogger(Group.class);
  26         private static int idNext = -1; // TODO: set to 0 after debugging!
  27
  28         final private GroupData groupData;
  29
  30         public GroupData getGroupData() {
  31                 return groupData;
  32         }
  33
  34         public Group() {
  35                 groupData = new GroupData(++idNext);
  36         }
  37
  38         public Group(Integer id) {
  39                 groupData = new GroupData(id);
  40         }
  41
  42         @Override
  43         public void run() {
  44                 log.debug("Thread started for:" + this);
  45                 try {
  46                         Thread.sleep((long) (Math.random() * 10000));
  47
  48                         switch (groupData.getState()) {
  49                         case NEW:
  50                                 // TODO : may not happen!
  51                                 break;
  52                         case WAITING:
  53                                 GroupAgent.getInstance().getGroupcomm().send(new TableRequest(groupData));
  54                                 break;
  55                         case SITTING:
  56                                 GroupAgent.getInstance().getGroupcomm().send(new OrderRequest(groupData));
  57                                 order();
  58                                 break;
  59                         case ORDER_PENDING:
  60                                 break; // do nothing.
  61                         case ORDERED:
  62                                 break; // do nothing.
  63                         case EATING: // request bill.
  64                                 GroupAgent.getInstance().getGroupcomm().send(new PayRequest(groupData));
  65                                 break;
  66                         case PAY:// leave table
  67                                 GroupAgent.getInstance().getGroupcomm().send(new TableFree(groupData));
  68                                 groupData.setState(GroupState.GONE);
  69                                 break;
  70                         case GONE:
  71                                 break; // do nothing.
  72                         default:
  73                                 break;
  74                         }
  75
  76                 } catch (InterruptedException e) {
  77                         e.printStackTrace();
  78                 }
  79         }
  80
  81         // lets go to the pizzaria.
  82         public void goGrabSomeFood() {
  83                 log.debug("goGrabSomeFood(): " + this);
  84                 groupData.setState(GroupState.WAITING);
  85                 new Thread(this).start();
  86         }
  87
  88         // get a table assigned by a waiter.
  89         public void assignTable(Table t, int waiterID) {
  90                 groupData.setState(GroupState.SITTING);
  91                 groupData.setTable(t);
  92                 groupData.setTableWaiter(waiterID);
  93                 new Thread(this).start();
  94                 log.debug("assignTable(): " + this);
  95         }
  96
  97         // ask the group to send their order.
  98         public void order() {
  99                 groupData.setState(GroupState.ORDER_PENDING);
 100                 new Thread(this).start();
 101                 log.debug("order(): " + this);
 102         }
 103
 104         // Waiter telling group he/she forwarded the order.
 105         public void orderReceived(int waiter) {
 106                 groupData.setState(GroupState.ORDERED);
 107                 groupData.setState(GroupState.EATING); // TODO: skip pizza creation step
 108                 groupData.setOrderWaiter(waiter);
 109                 new Thread(this).start();
 110                 log.debug("orderReceived(): " + this);
 111         }
 112
 113         // pizzas are here! nom nom nom
 114         public void deliverPizzas(Order order, int waiter) {
 115                 groupData.setState(GroupState.EATING);
 116                 groupData.setOrder(order);
 117                 groupData.setServingWaiter(waiter);
 118                 new Thread(this).start();
 119                 log.debug("bringOrderedPizzas(): " + this);
 120         }
 121
 122         @Override
 123         public int getId() {
 124                 return groupData.getId();
 125         }
 126
 127         // pay for the pizzas and leave
 128         public void payForPizzas(int waiter) {
 129                 groupData.setState(GroupState.PAY);
 130                 groupData.setPayingWaiter(waiter);
 131                 new Thread(this).start();
 132                 log.debug("payForPizzas(): " + this);
 133         }
 134 }