cachedpool.php

См. документацию.

<?php
namespace Bitrix\Location\Common;
 
use Bitrix\Main\Data\Cache;
use Bitrix\Main\EventManager;

class CachedPool extends \Bitrix\Location\Common\Cache
{
    protected $pool;
    protected $cache;
    protected $isItemChanged = false;

    public function __construct(Pool $pool, int $ttl, string $cacheId, Cache $cache, EventManager $eventManager)
    {
        $this->pool = $pool;
        parent::__construct($ttl, $cacheId, $cache, $eventManager);
    }
 
    public function loadDataFromCache(): void
    {
        $items = $this->cache->getVars()['items'];
        if(is_array($items))
        {
            $this->pool->setItems($items);
        }
    }
 
    public function saveDataToCache(): void
    {
        if($this->isItemChanged)
        {
            $this->cache->forceRewriting(true);
            $this->cache->startDataCache();
            $this->cache->endDataCache(['items' => $this->pool->getItems()]);
        }
    }

    public function getItem(string $key)
    {
        return $this->pool->getItem($key);
    }

    public function addItem(string $key, $value): void
    {
        $this->pool->addItem($key, $value);
        $this->isItemChanged = true;
    }

    public function deleteItem(string $key): void
    {
        $this->pool->deleteItem($key);
        $this->isItemChanged = true;
    }
 
    public function cleanItems(): void
    {
        $this->pool->cleanItems();
        $this->isItemChanged = true;
    }
}