accommodationmanager.java~3~

用j2ee开发的一个旅店管理系统

package com.xc.hotelmanager.hotel.control.proxy;

import java.util.*;

import com.xc.hotelmanager.hotel.model.*;
import com.xc.hotelmanager.hotel.control.session.*;
import com.xc.hotelmanager.hotel.exception.HotelManagerException;


public class AccommodationManager {
  static AccommodationManager instance = null;
     private SB_AccommodationManager manager=null;
     private AccommodationManager(){
         try{
             manager = com.xc.hotelmanager.hotel.control.EjbGetter.getSB_AccommodationManager().create();
         }
         catch(Exception ex){
         }
     }

     public static  AccommodationManager getInstance(){
         if (instance == null) {
             instance = new AccommodationManager();
         }
         return instance;
     }

     public Collection getAccInfo(String cname, String roomid) throws HotelManagerException {
        try{
          Collection result = manager.getAccInfo(cname,roomid);
            return result;
            }
        catch(Exception ex){
          throw new HotelManagerException(ex.getMessage());
        }
     }

  public  String  getleavedate() throws HotelManagerException{
     try{
      String result=manager.getleavedate();
      return  result;
     }
     catch(Exception ex){
     throw  new  HotelManagerException(ex.getMessage());
     }
   }

     public int getlivedays(String id) throws HotelManagerException {
       int result= 0;
       try{
          result=manager.getlivedays(id);
        }
        catch(Exception ex){
          throw new HotelManagerException(ex.getMessage());
        }
        return result;
       }

     public float getTotelCost(String id)  throws HotelManagerException{
       float result=0;
       try{
              result =manager.getTotelCost(id);
              }
              catch(Exception ex){
            throw new HotelManagerException(ex.getMessage());
          }
             return  result;
          }


      public String saveToAcc(String id, String leavetime,float charge) throws HotelManagerException{
        String result=null;
        try{
         result=manager.saveToAcc(id,leavetime,charge);
       }
       catch(Exception ex){
          return result;
         }
         return result;
          }
}