package com.xc.hotelmanager.hotel.control.session;import javax.ejb.*;import java.util.*;import java.rmi.*;import com.xc.hotelmanager.hotel.exception.*;import com.xc.hotelmanager.hotel.model.*;public interface SB_hotelmanager extends javax.ejb.EJBObject {  public int FindEmptyRoom(String type) throws HotelManagerException, RemoteException;  public String  ResRoom(Reservation res, int num, String type) throws HotelManagerException, RemoteException;  public Collection getAllRoom() throws HotelManagerException, RemoteException;  public String getRoomtype(String id) throws HotelManagerException, RemoteException;  public void CancleRes(String id) throws HotelManagerException, RemoteException;  public Collection getAllRoomType() throws HotelManagerException, RemoteException;  public Collection SearchRes(String str) throws HotelManagerException, RemoteException;  public Collection getAllRes() throws HotelManagerException, RemoteException;  public int getRoomprice(String id) throws HotelManagerException, RemoteException;  public RoomType addRmtype(RoomType roomtype) throws HotelManagerException, RemoteException;  public void removeRoomType(String rtypeid) throws HotelManagerException, RemoteException;  public RoomType saveRoomType(RoomType roomtype) throws HotelManagerException, RemoteException;  public Collection  getRoomByType(String type) throws HotelManagerException, RemoteException;   public RoomType loadRoomType(String rtypeid) throws HotelManagerException, RemoteException;  public void CancleResByDate(String time) throws HotelManagerException, RemoteException;  public Collection  getRoomByType1(String type) throws HotelManagerException, RemoteException;  public int getRoompriceById(String roomid) throws HotelManagerException, RemoteException;  public Room addRoom(Room room) throws HotelManagerException,RemoteException;}