Sulu\Bundle\ContactBundle\Entity\AccountContact::setAccount PHP Метод

    public function setAccount(AccountInterface $account)
    {
        $this->account = $account;
        return $this;
    }

 /**
  * creates a new main Account Contacts relation.
  *
  * @param Contact          $contact
  * @param AccountInterface $account
  * @param $position
  *
  * @return AccountContact
  */
 public function createMainAccountContact(Contact $contact, AccountInterface $account, $position = null)
 {
     $accountContact = new AccountContact();
     $accountContact->setAccount($account);
     $accountContact->setContact($contact);
     $accountContact->setMain(true);
     $this->em->persist($accountContact);
     $contact->addAccountContact($accountContact);
     $accountContact->setPosition($position);
     return $accountContact;
 }