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.common.HasId;
   7 import at.ac.tuwien.sbc.valesriegler.group.actions.OrderRequest;
   8 import at.ac.tuwien.sbc.valesriegler.group.actions.PayRequest;
   9 import at.ac.tuwien.sbc.valesriegler.group.actions.TableFree;
  10 import at.ac.tuwien.sbc.valesriegler.group.actions.TableRequest;
  11 import at.ac.tuwien.sbc.valesriegler.types.GroupData;
  12 import at.ac.tuwien.sbc.valesriegler.types.GroupState;
  13 import at.ac.tuwien.sbc.valesriegler.types.Order;
  14 import at.ac.tuwien.sbc.valesriegler.types.OrderStatus;
  15 import at.ac.tuwien.sbc.valesriegler.types.Table;
  16
  17 /**
  18  * class denoting a Group's will.
  19  *
  20  * @author jan
  21  *
  22  */
  23 public class Group implements Runnable, HasId {
  24         private static final Logger log = LoggerFactory.getLogger(Group.class);
  25         private static int idNext = 0; // TODO: set to 0 after debugging!
  26
  27         private GroupData groupData;
  28
  29         public Group() {
  30                 groupData = new GroupData(++idNext);
  31         }
  32
  33         public Group(Integer id) {
  34                 groupData = new GroupData(id);
  35         }
  36
  37         @Override
  38         public void run() {
  39                 log.debug("Thread started for:" + this);
  40                 try {
  41                         Thread.sleep((long) (Math.random() * 10000));
  42
  43                         switch (groupData.getState()) {
  44                         case NEW:
  45                                 // TODO : may not happen!
  46                                 break;
  47                         case WAITING:
  48                                 GroupAgent.getInstance().getGroupcomm().send(new TableRequest(groupData));
  49                                 break;
  50                         case SITTING:
  51                                 GroupAgent.getInstance().getGroupcomm().send(new OrderRequest(groupData));
  52                                 order();
  53                                 break;
  54                         case ORDER_PENDING:
  55                                 break; // do nothing.
  56                         case ORDERED:
  57                                 break; // do nothing.
  58                         case EATING: // request bill.
  59                                 GroupAgent.getInstance().getGroupcomm().send(new PayRequest(groupData));
  60                                 break;
  61                         case PAY:// leave table
  62                                 GroupAgent.getInstance().getGroupcomm().send(new TableFree(groupData));
  63                                 groupData.setState(GroupState.GONE);
  64                                 break;
  65                         case GONE:
  66                                 break; // do nothing.
  67                         default:
  68                                 break;
  69                         }
  70
  71                 } catch (InterruptedException e) {
  72                         e.printStackTrace();
  73                 }
  74         }
  75
  76         public void setGroupData(GroupData groupData) {
  77                 this.groupData = groupData;
  78         }
  79
  80         public GroupData getGroupData() {
  81                 return groupData;
  82         }
  83
  84         // lets go to the pizzaria.
  85         public void goGrabSomeFood() {
  86                 log.debug("goGrabSomeFood(): " + this);
  87                 groupData.setState(GroupState.WAITING);
  88                 new Thread(this).start();
  89         }
  90
  91         // get a table assigned by a waiter.
  92         public void assignTable(Table t, int waiterID) {
  93                 groupData.setState(GroupState.SITTING);
  94                 groupData.setTable(t);
  95                 groupData.setTableWaiter(waiterID);
  96                 new Thread(this).start();
  97                 log.debug("assignTable(): " + this);
  98         }
  99
 100         // ask the group to send their order.
 101         public void order() {
 102                 groupData.setState(GroupState.ORDER_PENDING);
 103                 new Thread(this).start();
 104                 log.debug("order(): " + this);
 105         }
 106
 107         // Waiter telling group he/she forwarded the order.
 108         public void orderReceived(int waiter) {
 109                 groupData.setState(GroupState.ORDERED);
 110                 groupData.getOrder().setStatus(OrderStatus.ORDERED);
 111                 groupData.setOrderWaiter(waiter);
 112                 new Thread(this).start();
 113                 log.debug("orderReceived(): " + this);
 114         }
 115
 116         // pizzas are here! nom nom nom
 117         public void deliverPizzas(Order order, int waiter) {
 118                 groupData.setState(GroupState.EATING);
 119                 groupData.setOrder(order);
 120                 groupData.setServingWaiter(waiter);
 121                 new Thread(this).start();
 122                 log.debug("bringOrderedPizzas(): " + this);
 123         }
 124
 125         @Override
 126         public int getId() {
 127                 return groupData.getId();
 128         }
 129
 130         // pay for the pizzas and leave
 131         public void payForPizzas(int waiter) {
 132                 groupData.setState(GroupState.PAY);
 133                 groupData.setPayingWaiter(waiter);
 134                 new Thread(this).start();
 135                 log.debug("payForPizzas(): " + this);
 136         }
 137 }