base.php

См. документацию.

<?php
namespace Bitrix\Sale\Archive\Recovery;
 
use Bitrix\Main,
    Bitrix\Sale;

abstract class Base
{
    protected $order;

    public function __construct()
    {
    }

    public function restoreOrder($archivedOrder = array())
    {
        if (!empty($archivedOrder))
        {
            return $this->loadOrder($archivedOrder);
        }
        else
        {
            throw new Main\ArgumentNullException('ORDER_DATA');
        }
    }
 
    abstract protected function loadOrder($archivedOrder);
}