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<?php
/**
* @copyright Copyright (C) eZ Systems AS. All rights reserved.
* @license For full copyright and license information view LICENSE file distributed with this source code.
*/
namespace eZ\Publish\Core\Persistence\Cache\Adapter;
use Stash\Item;
* Class TransactionItem.
*
* Custom Item class for use during transactions, routes calls to save() and clear() to clear callback.
* @internal
class TransactionItem extends Item
{
private $clearFn;
private $isItemDeferedClearedFn;
public function setClearCallback(callable $clear)
$this->clearFn = $clear;
}
public function setIsClearedCallback(callable $isItemDeferedCleared)
$this->isItemDeferedClearedFn = $isItemDeferedCleared;
* {@inheritdoc}
public function isMiss()
// Mark any cache item which has been scheduled to be cleared as a miss.
// We do this using callback since isHit property is private, & it will be reset on get()
$fn = $this->isItemDeferedClearedFn;
if ($fn($this->keyString)) {
return true;
return parent::isMiss();
public function save()
// We don't save cache during transaction (as cache is shared), & given the use of cache items within eZ
// Platform kernel is not used across transaction boundaries items (these) given by pool can safely be assumed
// to still be within transaction when save() is called.
// ...
// We do need to tell Pool that it should delete the item tough (which is done on commit if in transaction)
// so this save will be done on-demand when needed.
$clear = $this->clearFn;
$clear($this->keyString);
return false;
public function clear()
ezsystems /
ezpublish-kernel
