/**
  *
  * @param ServiceLocatorInterface $serviceLocator            
  * @param DataTransferAgentInterface $dataTransferAgent            
  * @param array $identifiers            
  */
 private function injectExecution(ServiceLocatorInterface $serviceLocator, DataTransferAgentInterface $dataTransferAgent, array $identifiers)
 {
     $execution = new Execution();
     $em = $this->getEntityManager($serviceLocator);
     $processStateHandler = $this->getProcessStateHandler($serviceLocator);
     $process = $processStateHandler->getProcess($identifiers['mode'], $identifiers['type'], $identifiers['endpoint'], $identifiers['annee']);
     $process->setInterrupted(false);
     $execution->setProcess($process);
     $process->addExecution($execution);
     // exceptions rattrapées plus haut
     $em->persist($execution);
     $dataTransferAgent->setExecution($execution);
     $dataTransferAgent->setProcessIdentifiers($identifiers);
     $em->flush($process);
 }