Module eus.ehu.hotelreservation

Package eus.ehu.hotelreservation.businessLogic

Interface BlFacade

All Known Implementing Classes:

BlFacadeImplementation

public interface BlFacade

Interface that specifies the business logic for the Hotel Reservation system.

Method Summary

Modifier and Type	Method	Description
List<AvailableRoomModel>	getAvailableRooms(String hotelName, LocalDate startDate, LocalDate endDate)	Queries available room types for a given hotel and date range.
List<Hotel>	getHotels()	Returns the list of all hotels registered in the system.
void	joinWaitingList(String hotelName, String roomType, LocalDate startDate, LocalDate endDate)	Registers the current customer on the waiting list for the given room type at the specified hotel and date range.
void	reserveRoom(AvailableRoomModel room, LocalDate startDate, LocalDate endDate)	Creates a reservation for the selected room type and charges 20% of the total price upfront as an advance payment.

Method Details

getHotels

List<Hotel> getHotels()

Returns the list of all hotels registered in the system.

Returns:

a list of Hotel entities, never null

getAvailableRooms

List<AvailableRoomModel> getAvailableRooms(String hotelName,
 LocalDate startDate,
 LocalDate endDate)

Queries available room types for a given hotel and date range.

Only room types that have at least one available room for the entire stay (all days between startDate and endDate) are returned. The total price is calculated day-by-day, respecting different rates on different dates (e.g. peak-season pricing).

Parameters:

hotelName - the name of the hotel

startDate - check-in date (inclusive)

endDate - check-out date (exclusive)

Returns:

list of available room types with daily and total prices

reserveRoom

void reserveRoom(AvailableRoomModel room,
 LocalDate startDate,
 LocalDate endDate)

Creates a reservation for the selected room type and charges 20% of the total price upfront as an advance payment.

A concrete Room is assigned from the pool of available rooms of that type at the hotel.

Parameters:

room - the room type model selected by the user

startDate - check-in date

endDate - check-out date

joinWaitingList

void joinWaitingList(String hotelName,
 String roomType,
 LocalDate startDate,
 LocalDate endDate)

Registers the current customer on the waiting list for the given room type at the specified hotel and date range.

This is typically used when no rooms of the desired type are available.

Parameters:

hotelName - the hotel name

roomType - the desired room type (e.g. "simple", "doble", "suite")

startDate - desired check-in date

endDate - desired check-out date