/**
* Retrieves the order to which an order item belongs.
*
* @param int order_item_id The order item.
* @return Aelia_Order
*/
protected function get_order_from_item($order_item_id)
{
// Check if the order is stored in the internal list
$order = get_value($order_item_id, $this->items_orders);
if (empty($order)) {
// Cache the order after retrieving it. This will reduce the amount of queries executed
$this->items_orders[$order_item_id] = Aelia_Order::get_by_item_id($order_item_id);
}
return $this->items_orders[$order_item_id];
}
