Ojs\JournalBundle\Entity\BoardMember::setUser PHP 메소드

    public function setUser(User $user = null)
    {
        $this->user = $user;
        return $this;
    }

 public function importBoardMember($oldUserId, $seq, $newBoardId)
 {
     $user = $this->ui->importUser($oldUserId);
     $board = $this->em->getReference('OjsJournalBundle:Board', $newBoardId);
     $member = new BoardMember();
     $member->setUser($user)->setBoard($board)->setSeq($seq);
     return $member;
 }