OneWayIntegrationService.php

/**
     * Recupera la entity da utilizzare per memorizzare l'intervista
     *
     * @param $interviewId
     * @param \Doctrine\Common\Persistence\ObjectManager $em
     * @return object
     */
    public function findEntity($interviewId, ObjectManager $em)
    {
        $repositoryMap = array(
            'Application' => 'CharlieRecruitmentBundle:Application',
            'AdditionalInformation' => 'CharlieUserBundle:AdditionalInformation',
        );

        list($entity, $entityId) = explode('-', $interviewId);
        return $em->getRepository($repositoryMap[$entity])
            ->find($entityId);
    }