doctrine / mongodb-odm

            if ( ! empty($this->primers)) {

                $referencePrimer = new ReferencePrimer($this->dm, $uow);

                foreach ($this->primers as $fieldName => $primer) {

                    $primer = is_callable($primer) ? $primer : null;

                    $referencePrimer->primeReferences($this->class, array($results), $fieldName, $this->unitOfWorkHints, $primer);

                }

            }

        }

            return;

        }

        foreach ($this->primers as $fieldName => $primer) {

            $primer = is_callable($primer) ? $primer : null;

            $this->referencePrimer->primeReferences($this->class, array($document), $fieldName, $this->unitOfWorkHints, $primer);

        }

    }

}