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Current File : /var/www/homesaver/www/bitrix/modules/main/classes/general/stack_cache.php

<?php

/**
 * Bitrix Framework
 * @package bitrix
 * @subpackage main
 * @copyright 2001-2023 Bitrix
 */

class CStackCacheManager
{
	/** @var CStackCacheEntry[] */
	var $cache = array();
	var $cacheLen = array();
	var $cacheTTL = array();
	var $eventHandlerAdded = false;

	function SetLength($entity, $length)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if(isset($this->cache[$entity]) && is_object($this->cache[$entity]))
			$this->cache[$entity]->SetLength($length);
		else
			$this->cacheLen[$entity] = $length;
	}

	function SetTTL($entity, $ttl)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if(isset($this->cache[$entity]) && is_object($this->cache[$entity]))
			$this->cache[$entity]->SetTTL($ttl);
		else
			$this->cacheTTL[$entity] = $ttl;
	}

	function Init($entity, $length = 0, $ttl = 0)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if (!$this->eventHandlerAdded)
		{
			AddEventHandler("main", "OnEpilog", array("CStackCacheManager", "SaveAll"));
			$this->eventHandlerAdded = true;
		}

		if($length <= 0 && isset($this->cacheLen[$entity]))
			$length = $this->cacheLen[$entity];

		if($ttl <= 0 && isset($this->cacheTTL[$entity]))
			$ttl = $this->cacheTTL[$entity];

		if (!array_key_exists($entity, $this->cache))
			$this->cache[$entity] = new CStackCacheEntry($entity, $length, $ttl);
	}

	function Load($entity)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if (!array_key_exists($entity, $this->cache))
			$this->Init($entity);

		$this->cache[$entity]->Load();
	}

	//NO ONE SHOULD NEVER EVER USE INTEGER $id HERE
	function Clear($entity, $id = false)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if (!array_key_exists($entity, $this->cache))
			$this->Load($entity);

		if ($id !== false)
			$this->cache[$entity]->DeleteEntry($id);
		else
			$this->cache[$entity]->Clean();
	}

	// Clears all managed_cache
	function CleanAll()
	{
		$this->cache = array();

		$objCache = new CPHPCache;
		$objCache->CleanDir(false, "stack_cache");
	}

	//NO ONE SHOULD NEVER EVER USE INTEGER $id HERE
	function Exist($entity, $id)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return false;

		if (!array_key_exists($entity, $this->cache))
			$this->Load($entity);

		return array_key_exists($id, $this->cache[$entity]->values);
	}

	//NO ONE SHOULD NEVER EVER USE INTEGER $id HERE
	function Get($entity, $id)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return false;

		if (!array_key_exists($entity, $this->cache))
			$this->Load($entity);

		return $this->cache[$entity]->Get($id);
	}

	//NO ONE SHOULD NEVER EVER USE INTEGER $id HERE
	function Set($entity, $id, $value)
	{
		if (defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if (!array_key_exists($entity, $this->cache))
			$this->Load($entity);

		$this->cache[$entity]->Set($id, $value);
	}

	function Save($entity)
	{
		if(defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		if(array_key_exists($entity, $this->cache))
			$this->cache[$entity]->Save();
	}

	public static function SaveAll()
	{
		if(defined("BITRIX_SKIP_STACK_CACHE") && BITRIX_SKIP_STACK_CACHE)
			return;

		/** @global CStackCacheManager $stackCacheManager */
		global $stackCacheManager;

		foreach($stackCacheManager->cache as $value)
		{
			$value->Save();
		}
	}

	function MakeIDFromArray($values)
	{
		$id = "id";

		sort($values);

		for ($i = 0, $c = count($values); $i < $c; $i++)
			$id .= "_".$values[$i];

		return $id;
	}
}