sale/lib/cashbox/internals/pool.php

См. документацию.

<?php
namespace Bitrix\Sale\Cashbox\Internals;
 
use Bitrix\Sale\Cashbox\CheckManager;
use Bitrix\Sale\Cashbox\Manager;
use Bitrix\Sale\Result;
 
class Pool
{
    protected static $docs = array();
 
    /**
     * @param $code
     * @return mixed|null
     */
    public static function getDocs($code)
    {
        if (isset(static::$docs[$code]))
        {
            return static::$docs[$code];
        }
 
        return null;
    }
 
    /**
     * @param $code
     * @param $doc
     */
    public static function addDoc($code, $doc)
    {
        static::$docs[$code][] = $doc;
    }
 
    /**
     * @param null $code
     */
    public static function resetDocs($code = null)
    {
        if ($code !== null)
        {
            unset(static::$docs[$code]);
        }
        else
        {
            static::$docs = array();
        }
    }
 
    /**
     * @param $code
     * @return Result
     */
    public static function generateChecks($code)
    {
        $result = new Result();
 
        $docs = static::getDocs($code);
        if (!$docs)
            return $result;
 
        $result = CheckManager::addChecks($docs);
 
        static::resetDocs($code);
 
        return $result;
    }
}