Neos\Flow\Persistence\Generic\DataMapper::setPersistenceManager PHP Method

    public function setPersistenceManager(PersistenceManagerInterface $persistenceManager)
    {
        $this->persistenceManager = $persistenceManager;
    }

 /**
  * Injects the data mapper
  *
  * @param DataMapper $dataMapper
  * @return void
  */
 public function injectDataMapper(DataMapper $dataMapper)
 {
     $this->dataMapper = $dataMapper;
     $this->dataMapper->setPersistenceManager($this);
 }