/**
* Resets tracking of the given event. Resets all events if event ID equals null.
*
* @param string $group Event group
* @param string|null $id Event id
*
* @return null
*/
public function resetEventTracker($group, $id = null)
{
$prefix = self::SESSION_KEY_EVENT_TIME . md5($group) . '_';
if ($id !== null) {
$sessionKey = $prefix . md5($id);
if ($this->userSessionDAO->contains($sessionKey)) {
$this->userSessionDAO->drop($sessionKey);
}
} else {
$this->userSessionDAO->dropAllByPrefix($prefix);
}
}
/**
* Drops authentication.
*/
public function dropAuthentication()
{
$this->userSessionDAO->drop(self::SESSION_KEY_USER_ID);
}