public function setUserCreated($userCreated)
    {
        if (\is_object($userCreated)) {
            $this->userCreatedObject = $userCreated;
            $this->userCreated       = $userCreated->getId();
        } else {
            $this->userCreatedObject = null;
            $this->userCreated       = $userCreated;
        }

        return $this;
    }