Scalr\Api\Service\User\V1beta0\Adapter\OrchestrationRuleAdapter::_target PHP Method

    public function _target($from, $to, $action)
    {
        switch ($action) {
            case static::ACT_CONVERT_TO_OBJECT:
                /* @var $from OrchestrationRule */
                static::targetToData($from, $to);
                break;
            case static::ACT_CONVERT_TO_ENTITY:
                /* @var $to OrchestrationRule */
                if (empty($from->target->targetType)) {
                    throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_STRUCTURE, "Missed target type");
                }
                static::targetToEntity($from, $to);
                break;
            case static::ACT_GET_FILTER_CRITERIA:
                if (empty($from->target->targetType)) {
                    throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_STRUCTURE, "Missed target type");
                }
                if (!isset(static::$targetMap[$from->target->targetType])) {
                    throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_VALUE, "Unexpected target type!");
                }
                return [['target' => static::$targetMap[$from->target->targetType]]];
        }
    }