/**
* Default action on login
*
* @param \User\Authentication\Event $event
* @return \Zend\Authentication\Result
*/
public function onLogin(Event $event)
{
$adapter = $this->getAuthenticationAdapterFactory()->factory($event->getParams());
$result = $event->getAuthenticationService()->authenticate($adapter);
$event->setResult($result);
return $result;
}
