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

   1 package businessLogic;
   2
   3 import java.rmi.RemoteException;
   4 import java.rmi.server.UnicastRemoteObject;
   5 import java.util.Date;
   6 import java.util.Vector;
   7
   8 import javax.mail.MessagingException;
   9
  10 import com.db4o.ObjectContainer;
  11 import com.db4o.ObjectSet;
  12 import common.BookingInterface;
  13
  14 import dataAccess.DB4oManager;
  15 import domain.Booking;
  16 import domain.Client;
  17 import domain.RuralHouse;
  18 import exceptions.OfferCanNotBeBooked;
  19
  20
  21
  22 public final class BookingManager extends UnicastRemoteObject implements BookingInterface {
  23
  24         /**
  25          *
  26          */
  27         private static final long serialVersionUID = 1L;
  28         private int bookingNumber = 0;
  29         dataAccess.DB4oManager dbMngr;
  30
  31         private static BookingManager theBookingManager;
  32
  33         public BookingManager() throws RemoteException {
  34                 super();
  35                 try {
  36                         this.dbMngr = DB4oManager.getInstance();
  37                 } catch (Exception e) {
  38                         e.printStackTrace();
  39                 }
  40         }
  41
  42         /**
  43          * This method returns the next Booking number
  44          *
  45          * @return the book number
  46          */
  47
  48     public int getNumber() throws RemoteException{
  49                 ObjectContainer db=DB4oManager.getContainer();
  50         BookingManager b=getInstance();
  51         b.bookingNumber++;
  52         db.store(b);
  53         db.commit();
  54         return b.bookingNumber;
  55     }
  56
  57         /**
  58          * This method returns the instance of the BookingManager class
  59          *
  60          * @return the booking manager
  61          * @throws RemoteException
  62          */
  63
  64         public BookingManager getInstance() throws RemoteException  {
  65                 ObjectContainer db=DB4oManager.getContainer();
  66             BookingManager b = new BookingManager();
  67             ObjectSet<BookingManager> result = db.queryByExample(b);
  68             if (!result.hasNext()){
  69                 theBookingManager = new BookingManager();
  70                 db.store(theBookingManager);
  71                 db.commit();
  72             } else theBookingManager=(BookingManager)result.next();
  73                 return theBookingManager;
  74         }
  75
  76         public void denyBooking(Booking b) throws RemoteException{
  77                                 this.dbMngr.removeBooking(b);
  78                                 try {
  79                                         MailManager.getInstance().Send(b.getClient().getMailAccount(), "Your booking has not been accepted","We are sorry");
  80                                 } catch (MessagingException e) {
  81                                         e.printStackTrace();
  82                                 }
  83         }
  84
  85
  86         public void acceptBooking(Booking b) throws RemoteException{
  87                 b.getOffer().setBooked(true);
  88                 b.getOffer().getBookings().clear();
  89                 b.getOffer().getBookings().add(b);
  90                 this.dbMngr.acceptBooking(b.getOffer());
  91                 try {
  92                         MailManager.getInstance().Send(b.getClient().getMailAccount(), "Your booking has been accepted","Here should be the bill");
  93                 } catch (MessagingException e) {
  94                         e.printStackTrace();
  95                 }
  96
  97         }
  98         /**
  99          * This method creates a book with a corresponding parameters
 100          *
 101          * @param First
 102          *            day, last day, house number and telephone
 103          * @return a book
 104          */
 105         public Vector<Booking> createBooking(RuralHouse ruralHouse, Date firstDate,
 106                         Date lastDate, Client client)
 107                         throws OfferCanNotBeBooked,RemoteException {
 108
 109                 return dbMngr.createBooking(ruralHouse, firstDate, lastDate,
 110                                 client);
 111         }
 112
 113 }