Ojs\JournalBundle\Entity\Journal::addJournalSubmissionFile PHP Method

    public function addJournalSubmissionFile(JournalSubmissionFile $journalSubmissionFile)
    {
        if (!$this->journalSubmissionFiles->contains($journalSubmissionFile)) {
            $this->journalSubmissionFiles->add($journalSubmissionFile);
            $journalSubmissionFile->setJournal($this);
        }
        return $this;
    }