/**
* Queue a connection string for registering on demand.
*
* @param string dsn The connection's DSN
* @return rdbms.DSN
* @param string hostAlias default NULL
* @param string userAlias default NULL
*/
public function queue($str, $hostAlias = null, $userAlias = null)
{
$dsn = new DSN($str);
$host = null == $hostAlias ? $dsn->getHost() : $hostAlias;
$user = null == $userAlias ? $dsn->getUser() : $userAlias;
$this->pool[$user . '@' . $host] = $str;
return $dsn;
}
