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DoctrineCachePool.php
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<?php
/*
* This file is part of php-cache organization.
*
* (c) 2015 Aaron Scherer <[email protected]>, Tobias Nyholm <[email protected]>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Cache\Adapter\Doctrine;
use Cache\Adapter\Common\AbstractCachePool;
use Cache\Adapter\Common\PhpCacheItem;
use Doctrine\Common\Cache\Cache;
use Doctrine\Common\Cache\FlushableCache;
/**
* This is a bridge between PSR-6 and aDoctrine cache.
*
* @author Aaron Scherer <[email protected]>
* @author Tobias Nyholm <[email protected]>
*/
class DoctrineCachePool extends AbstractCachePool
{
/**
* @type Cache
*/
protected $cache;
/**
* @param Cache $cache
*/
public function __construct(Cache $cache)
{
$this->cache = $cache;
}
/**
* {@inheritdoc}
*/
protected function fetchObjectFromCache($key)
{
if (false === $data = $this->cache->fetch($key)) {
return [false, null, [], null];
}
return unserialize($data);
}
/**
* {@inheritdoc}
*/
protected function clearAllObjectsFromCache()
{
if ($this->cache instanceof FlushableCache) {
return $this->cache->flushAll();
}
return false;
}
/**
* {@inheritdoc}
*/
protected function clearOneObjectFromCache($key)
{
return $this->cache->delete($key);
}
/**
* {@inheritdoc}
*/
protected function storeItemInCache(PhpCacheItem $item, $ttl)
{
if ($ttl === null) {
$ttl = 0;
}
$data = serialize([true, $item->get(), $item->getTags(), $item->getExpirationTimestamp()]);
return $this->cache->save($item->getKey(), $data, $ttl);
}
/**
* @return Cache
*/
public function getCache()
{
return $this->cache;
}
/**
* {@inheritdoc}
*/
protected function getList($name)
{
if (false === $list = $this->cache->fetch($name)) {
return [];
}
return $list;
}
/**
* {@inheritdoc}
*/
protected function removeList($name)
{
return $this->cache->delete($name);
}
/**
* {@inheritdoc}
*/
protected function appendListItem($name, $key)
{
$list = $this->getList($name);
$list[] = $key;
$this->cache->save($name, $list);
}
/**
* {@inheritdoc}
*/
protected function removeListItem($name, $key)
{
$list = $this->getList($name);
foreach ($list as $i => $item) {
if ($item === $key) {
unset($list[$i]);
}
}
$this->cache->save($name, $list);
}
}