class ZuoraConnect::LDAP::Connection

def dn
  @dn ||= begin
            ZuoraConnect::logger.debug("LDAP dn lookup: #{@attribute}=#{@login}")
            ldap_entry = search_for_login
            if ldap_entry.nil?
              @ldap_auth_username_builder.call(@attribute,@login,@ldap)
            else
              ldap_entry.dn
            end
          end
end