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

    public function _function($from, $to, $action)
    {
        switch ($action) {
            case static::ACT_CONVERT_TO_OBJECT:
                /* @var $from Entity\ScalingMetric */
                if (!empty($from->calcFunction)) {
                    $to->function = static::$functionMap[$from->calcFunction];
                }
                break;
            case static::ACT_CONVERT_TO_ENTITY:
                /* @var $to Entity\ScalingMetric */
                $to->calcFunction = $this->functionToEntity($from);
                break;
            case static::ACT_GET_FILTER_CRITERIA:
                return [['calcFunction' => $this->functionToEntity($from)]];
        }
    }