xp-dev.com Git - RRRRHHHH_Code/blob - ruralHouses/src/businessLogic/OfferManager.java

   1 package businessLogic;
   2
   3 import java.rmi.RemoteException;
   4 import java.sql.Date;
   5
   6 import dataAccess.DB4oManager;
   7 import domain.Offer;
   8 import domain.RuralHouse;
   9 import exceptions.BadDates;
  10 import exceptions.OverlappingOfferExists;
  11
  12 public final class OfferManager {
  13
  14         private int offerNumber = 0;
  15         dataAccess.DB4oManager dbMngr;
  16
  17         public OfferManager() {
  18                 try {
  19                         this.dbMngr = DB4oManager.getInstance();
  20                 } catch (Exception e) {
  21                         e.printStackTrace();
  22                 }
  23         }
  24
  25
  26         /**
  27          * This method creates an offer with a house number, first day, last day and price
  28          *
  29          * @param House
  30          *            number, start day, last day and price
  31          * @return the created offer, or null, or an exception
  32          */
  33         public Offer createOffer(RuralHouse ruralHouse, Date firstDay, Date lastDay,
  34                         float price) throws OverlappingOfferExists, BadDates, RemoteException, Exception {
  35                 if (firstDay.after(lastDay)||firstDay==null||lastDay==null)
  36                         throw new BadDates();
  37
  38                 boolean b = dbMngr.existsOverlappingOffer(ruralHouse,firstDay,lastDay); // The ruralHouse object in the client may not be updated
  39                 if (!b) {
  40                         dbMngr.createOffer(ruralHouse,firstDay,lastDay,price);
  41                         return ruralHouse.createOffer(offerNumber, firstDay, lastDay, price);
  42                 }
  43                 return null;
  44         }
  45
  46
  47         public void deleteOffer(RuralHouse rh, Offer o) throws RemoteException, Exception{
  48                 rh.offers.removeElement(o);
  49                 dbMngr.deleteOffer( o);
  50         }
  51
  52 }