objectManager = $objectManager; } /** * Create Query object * * @param string $className * @param array $arguments * @return QueryInterface * @throws \Magento\Framework\Exception\LocalizedException */ public function create($className, array $arguments = []) { $query = $this->objectManager->create($className, $arguments); if (!$query instanceof QueryInterface) { throw new \Magento\Framework\Exception\LocalizedException( new \Magento\Framework\Phrase( '%1 doesn\'t implement \Magento\Framework\DB\QueryInterface', [$className] ) ); } return $query; } }