Scalr\Api\Service\User\V1beta0\Adapter\ScalingMetricAdapter::_scope PHP Method

    public function _scope($from, $to, $action)
    {
        switch ($action) {
            case static::ACT_CONVERT_TO_OBJECT:
                /* @var $from Entity\ScalingMetric */
                $to->scope = $from->getScope();
                break;
            case static::ACT_CONVERT_TO_ENTITY:
                /* @var $to Entity\ScalingMetric */
                switch ($from->scope) {
                    case ScopeInterface::SCOPE_SCALR:
                        break;
                    case ScopeInterface::SCOPE_ENVIRONMENT:
                        $to->envId = $this->controller->getEnvironment()->id;
                        $to->accountId = $this->controller->getUser()->getAccountId();
                        break;
                    default:
                        throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_VALUE, 'Unexpected scope value');
                }
                break;
            case static::ACT_GET_FILTER_CRITERIA:
                if (empty($from->scope)) {
                    throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_STRUCTURE, 'Missed scope value');
                }
                return $this->controller->getScopeCriteria($from->scope, true);
        }
    }