hasException() public method

If an exception was thrown by the target method Only makes sense for After Throwing advices.
public hasException ( ) : boolean
return boolean
 /**
  * Logs calls and results of the authenticate() method of the Authentication Manager
  *
  * @Flow\After("within(Neos\Flow\Security\Authentication\AuthenticationManagerInterface) && method(.*->authenticate())")
  * @param JoinPointInterface $joinPoint The current joinpoint
  * @return mixed The result of the target method if it has not been intercepted
  * @throws \Exception
  */
 public function logManagerAuthenticate(JoinPointInterface $joinPoint)
 {
     if ($joinPoint->hasException()) {
         $exception = $joinPoint->getException();
         if (!$exception instanceof NoTokensAuthenticatedException) {
             $this->securityLogger->log(sprintf('Authentication failed: "%s" #%d', $exception->getMessage(), $exception->getCode()), LOG_NOTICE);
         }
         throw $exception;
     } elseif ($this->alreadyLoggedAuthenticateCall === false) {
         /** @var AuthenticationManagerInterface $authenticationManager */
         $authenticationManager = $joinPoint->getProxy();
         if ($authenticationManager->getSecurityContext()->getAccount() !== null) {
             $this->securityLogger->log(sprintf('Successfully re-authenticated tokens for account "%s"', $authenticationManager->getSecurityContext()->getAccount()->getAccountIdentifier()), LOG_INFO);
         } else {
             $this->securityLogger->log('No account authenticated', LOG_INFO);
         }
         $this->alreadyLoggedAuthenticateCall = true;
     }
 }