private function _getNodeType($nodeURL)
{
phpCAS::traceBegin();
if (preg_match("/^(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\$/", $nodeURL)) {
phpCAS::traceEnd(self::IP);
return self::IP;
} else {
phpCAS::traceEnd(self::HOSTNAME);
return self::HOSTNAME;
}
}