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

   1 package businessLogic;
   2
   3 import java.util.Date;
   4 import java.util.Vector;
   5
   6 import com.db4o.ObjectContainer;
   7 import com.db4o.ObjectSet;
   8
   9 import dataAccess.DB4oManager;
  10 import domain.Booking;
  11 import domain.Offer;
  12 import domain.Owner;
  13 import domain.RuralHouse;
  14 import exceptions.OfferCanNotBeBooked;
  15
  16 public final class BookingManager {
  17
  18         private int bookingNumber = 0;
  19         dataAccess.DB4oManager dbMngr;
  20
  21         private static BookingManager theBookingManager;
  22
  23         public BookingManager() {
  24                 try {
  25                         this.dbMngr = DB4oManager.getInstance();
  26                 } catch (Exception e) {
  27                         e.printStackTrace();
  28                 }
  29         }
  30
  31         /**
  32          * This method returns the next Booking number
  33          *
  34          * @return the book number
  35          */
  36         public static int getNumber() {
  37                 ObjectContainer db = DB4oManager.getContainer();
  38                 BookingManager b = getInstance();
  39                 b.bookingNumber++;
  40                 db.store(b);
  41                 db.commit();
  42                 return b.bookingNumber;
  43         }
  44
  45         /**
  46          * This method returns the instance of the BookingManager class
  47          *
  48          * @return the booking manager
  49          */
  50         public static BookingManager getInstance() {
  51                 ObjectContainer db = DB4oManager.getContainer();
  52                 BookingManager b = new BookingManager();
  53                 ObjectSet<BookingManager> result = db.queryByExample(b);
  54                 if (!result.hasNext()) {
  55                         theBookingManager = new BookingManager();
  56                         db.store(theBookingManager);
  57                         db.commit();
  58                 } else
  59                         theBookingManager = (BookingManager) result.next();
  60                 return theBookingManager;
  61         }
  62
  63         public void removeBooking(Booking B) {
  64                 // TODO
  65
  66         }
  67
  68         public Vector<Booking> getAllBookings(Owner ow) {
  69                 Vector<Booking> books = new Vector<Booking>();
  70                 for (RuralHouse rh : ow.getRuralHouses()) {
  71                         Vector<Offer> off = rh.getAllOffers();
  72                         for (Offer of : off) {
  73                                 System.out.print(of.toString());
  74                                 if (of.getBooking() != null) {
  75
  76                                         books.add(of.getBooking());
  77                                 }
  78                         }
  79                 }
  80                 return books;
  81         }
  82
  83         /**
  84          * This method creates a book with a corresponding parameters
  85          *
  86          * @param First
  87          *            day, last day, house number and telephone
  88          * @return a book
  89          */
  90         public Booking createBooking(RuralHouse ruralHouse, Date firstDate,
  91                         Date lastDate, String bookTelephoneNumber)
  92                         throws OfferCanNotBeBooked {
  93
  94                 return dbMngr.createBooking(ruralHouse, firstDate, lastDate,
  95                                 bookTelephoneNumber);
  96         }
  97
  98 }