roommanager.java

机械工业出版社的《jsp2.0动态网站开发实例指南》的源代码

package RoomPackage;

import DataCenterPackage.DataCenter;
import DataCenterPackage.RoomCondition;

import java.sql.Time;

public class RoomManager 
{
   private static RoomManager _INSTANCE;
   private DataCenter _DATACENTER;

   private RoomManager() 
   {
       _DATACENTER = DataCenter.get_INSTANCE();    
   }

   public static RoomManager get_INSTANCE()
   {
       if(_INSTANCE==null)
        _INSTANCE = new RoomManager();
       return _INSTANCE;
   }

   public Room GetRoom(int roomID) 
   {
    return _DATACENTER.QueryRoom(roomID);
   }

   public boolean DeleteRoom(Room room)
   {
      return _DATACENTER.DeleteRoom(room.get_roomID())>0?true:false;
   }

   public boolean DeleteRoom(int roomID)
   {
       return _DATACENTER.DeleteRoom(roomID)>0?true:false;
   }

   public boolean AddRoom(Room room)
   {
       return _DATACENTER.AddRoom(room)>0?true:false;
   }

   public boolean ModifyRoom(Room newRoom) 
   {
       return _DATACENTER.ModifyRoom(newRoom)>0?true:false;
   }

   public int [] SearchRoom(RoomCondition[] condition)
   {
       return _DATACENTER.SearchRoomIDs(condition);
   }

   public static final String GetRoomTypeName(int typeID) 
   {
      return Room.ROOMTYPE[typeID];
   }
}