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.group.jms.JMSGroupConnector;
  12 import at.ac.tuwien.sbc.valesriegler.types.GroupData;
  13 import at.ac.tuwien.sbc.valesriegler.types.GroupState;
  14 import at.ac.tuwien.sbc.valesriegler.types.Order;
  15 import at.ac.tuwien.sbc.valesriegler.types.OrderStatus;
  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 = 0;
  27
  28         private GroupData groupData;
  29
  30         public Group() {
  31                 groupData = new GroupData(++idNext);
  32         }
  33
  34         public Group(Integer id) {
  35                 groupData = new GroupData(id);
  36         }
  37
  38         @Override
  39         public void run() {
  40                 log.debug("Thread started for:" + this);
  41                 try {
  42                         Thread.sleep((long) (Math.random() * 10000));
  43
  44                         switch (groupData.getState()) {
  45                                 case NEW :
  46                                         // TODO : may not happen!
  47                                         break;
  48                                 case WAITING :
  49                                         JMSGroupConnector.getConnector(groupData.getPizzeriaId()).send(new TableRequest(groupData));
  50                                         break;
  51                                 case SITTING :
  52                                         JMSGroupConnector.getConnector(groupData.getPizzeriaId()).send(new OrderRequest(groupData));
  53                                         order();
  54                                         break;
  55                                 case ORDER_PENDING :
  56                                         break; // do nothing.
  57                                 case ORDERED :
  58                                         break; // do nothing.
  59                                 case EATING : // request bill.
  60                                         JMSGroupConnector.getConnector(groupData.getPizzeriaId()).send(new PayRequest(groupData));
  61                                         break;
  62                                 case PAY :// leave table
  63                                         JMSGroupConnector.getConnector(groupData.getPizzeriaId()).send(new TableFree(groupData));
  64                                         groupData.setState(GroupState.GONE);
  65                                         groupData.setTable(null);
  66                                         break;
  67                                 case GONE :
  68                                         break; // do nothing.
  69                                 default :
  70                                         break;
  71                         }
  72
  73                 } catch (InterruptedException e) {
  74                         e.printStackTrace();
  75                 }
  76         }
  77
  78         public void setGroupData(GroupData groupData) {
  79                 this.groupData = groupData;
  80         }
  81
  82         public GroupData getGroupData() {
  83                 return groupData;
  84         }
  85
  86         // lets go to the pizzaria.
  87         public void goGrabSomeFood() {
  88                 log.debug("goGrabSomeFood(): " + this);
  89                 groupData.setState(GroupState.WAITING);
  90                 GroupAgent.getInstance().getGroupModel().fireTableDataChanged();
  91                 new Thread(this).start();
  92         }
  93
  94         // get a table assigned by a waiter.
  95         public void assignTable(Table t, int waiterID) {
  96                 groupData.setState(GroupState.SITTING);
  97                 groupData.setTable(t);
  98                 groupData.setTableWaiter(waiterID);
  99                 GroupAgent.getInstance().getGroupModel().fireTableDataChanged();
 100                 new Thread(this).start();
 101                 log.debug("assignTable(): " + this);
 102         }
 103
 104         // ask the group to send their order.
 105         public void order() {
 106                 groupData.setState(GroupState.ORDER_PENDING);
 107                 GroupAgent.getInstance().getGroupModel().fireTableDataChanged();
 108                 new Thread(this).start();
 109                 log.debug("order(): " + this);
 110         }
 111
 112         // Waiter telling group he/she forwarded the order.
 113         public void orderReceived(int waiter) {
 114                 groupData.setState(GroupState.ORDERED);
 115                 groupData.getOrder().setStatus(OrderStatus.ORDERED);
 116                 groupData.setOrderWaiter(waiter);
 117                 GroupAgent.getInstance().getGroupModel().fireTableDataChanged();
 118                 new Thread(this).start();
 119                 log.debug("orderReceived(): " + this);
 120         }
 121
 122         // pizzas are here! nom nom nom
 123         public void deliverPizzas(Order order, int waiter) {
 124                 groupData.setState(GroupState.EATING);
 125                 groupData.setOrder(order);
 126                 groupData.setServingWaiter(waiter);
 127                 GroupAgent.getInstance().getGroupModel().fireTableDataChanged();
 128                 new Thread(this).start();
 129                 log.debug("bringOrderedPizzas(): " + this);
 130         }
 131
 132         // pay for the pizzas and leave
 133         public void payForPizzas(int waiter) {
 134                 groupData.setState(GroupState.PAY);
 135                 groupData.setPayingWaiter(waiter);
 136                 GroupAgent.getInstance().getGroupModel().fireTableDataChanged();
 137                 new Thread(this).start();
 138                 log.debug("payForPizzas(): " + this);
 139         }
 140
 141         @Override
 142         public int getId() {
 143                 return groupData.getId();
 144         }
 145 }