@Override
    public Box recupera(Integer id) throws RemoteException,
    ObjetoNaoEncontradoException
    {
    	Box box = h.get(id);
    	
    	//If there is a object in box, return it, other wise throws a exception
        if(box != null)
        {
            return box;
        }
        else //throws a exception
        {
            throw new ObjetoNaoEncontradoException(id.toString());
        }
    }