public function findOneByAttributeIdAndValue($attributeId, $value)
    {

        // initialize the params
        $params = array(
            MemberNames::ATTRIBUTE_ID => $attributeId,
            MemberNames::VALUE        => $value
        );

        // load and return the prodcut media gallery with the passed attribute ID + value
        $this->productMediaGalleryStmt->execute($params);
        return $this->productMediaGalleryStmt->fetch(\PDO::FETCH_ASSOC);
    }