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;}public Accommodation addAccommodation(Accommodation arecord) throws HotelManagerException {     try{         return manager.addAccommodation(arecord);         }    catch(java.rmi.RemoteException rex){        throw new HotelManagerException("AccommoManager.add Eorr:"+rex.getMessage());        }}public Accommodation saveAccommodation(Accommodation arecord) throws HotelManagerException {       try{            return manager.saveAccommodation(arecord);        }        catch(java.rmi.RemoteException rex){                 throw new HotelManagerException("AccommoManager.save Eorr:"+rex.getMessage());        }}public Collection getAllAccommodation() throws HotelManagerException {      try{             Collection result = manager.getAllAccommodation();             System.out.print("AccommodationManger.getAllAccommodation ok!");                 return result;      }      catch(Exception rex){      System.out.print("AccommodationManger.getAllAccommodation Error!");                 throw new HotelManagerException(rex.getMessage());      }}public Collection getSearchAccommodation(String sql) throws HotelManagerException {    try{         Collection result = manager.getSearchAccommodation(sql);         System.out.print("AccommodationManger.getAllAccommodation ok!");         return result;        }    catch(Exception rex){         System.out.print("AccommodationManger.getSearchAccommodation Error!");         throw new HotelManagerException(rex.getMessage());        }}      public Accommodation loadAccommodation(String id) throws HotelManagerException {             Accommodation result = null;             try{                 result = manager.loadAccommodation(id);             }             catch(java.rmi.RemoteException rex){                 throw new HotelManagerException("AccommoManager.load Eorr:"+rex.getMessage());             }             return result;         }     public void removeAccommodation(String id) throws HotelManagerException {             try{                  manager.removeAccommodation(id);             }             catch(java.rmi.RemoteException rex){                 throw new HotelManagerException(rex.getMessage());             }         }  public Collection getAllAccommodation(String id) throws HotelManagerException{                    try{                      Collection result = manager.getAllAccommodation(id);                         return result;                    }                    catch(Exception ex){                      throw new HotelManagerException(ex.getMessage());                    }                  }public float getCost(String id)  throws HotelManagerException{          float result=0;          try{          result =manager.getCost(id);          }          catch(Exception ex){          throw new HotelManagerException(ex.getMessage());          }          return  result; }}