Doctrine\Tests\Models\ECommerce\ECommerceCategory::getId PHP Метод

    public function getId()
    {
        return $this->id;
    }

 public function assertForeignKeyIs($value, ECommerceCategory $child)
 {
     $foreignKey = $this->_em->getConnection()->executeQuery('SELECT parent_id FROM ecommerce_categories WHERE id=?', array($child->getId()))->fetchColumn();
     $this->assertEquals($value, $foreignKey);
 }