/**
* @param AdapterInterface|null $adapter
* @return AuthResult
*/
public function authenticate(AdapterInterface $adapter = null)
{
$event = new AuthenticationEvent();
$event->setTarget($this);
if (!$adapter) {
$adapter = $this->adapter;
}
if ($adapter) {
$event->setAdapter($adapter);
}
$eventManager = new EventManager();
$eventManager->setIdentifiers(get_class($this));
$eventManager->trigger($event);
return $event->getResult();
}
