@Override
    public boolean equals( Object obj )
    {
	if ( this == obj )
	    return true;
	if ( obj == null )
	    return false;
	if ( getClass() != obj.getClass() )
	    return false;
	Cliente other = (Cliente) obj;
	if ( codigo == null )
	{
	    if ( other.codigo != null )
		return false;
	} else if ( !codigo.equals( other.codigo ) )
	    return false;
	return true;
    }