gistfile1.txt

  def house_id
    @house_id
  end
  
  def house_id=house_id
    @house_id = house_id
  end
  
  def room_number
    if !self.room.nil?
      self.room.number
    end
  end
  
  def room_number=number
    @room = Room.find(:first, :conditions => { :number => number })
    @house = House.find @house_id
    @room.house = @house
    self.room = @room
  end