/**
* @param PublishedMessage $mostRecentPublishedMessage
* @throws InvalidPublishedMessageToTrack There can only be one last
* published message for exchange this exception's thrown if 2 are found
*/
public function track(PublishedMessage $mostRecentPublishedMessage)
{
$builder = $this->createQueryBuilder('p');
$builder->andWhere('p.exchangeName = :exchangeName')->setParameter('exchangeName', $mostRecentPublishedMessage->exchangeName());
$currentMessage = $builder->getQuery()->getOneOrNullResult();
if ($currentMessage && !$currentMessage->equals($mostRecentPublishedMessage)) {
throw new InvalidPublishedMessageToTrack();
}
$this->_em->persist($mostRecentPublishedMessage);
$this->_em->flush($mostRecentPublishedMessage);
}
