139 lines
2.6 KiB
PHP
139 lines
2.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Cache\Adapter;
|
|
|
|
use Psr\Cache\CacheItemInterface;
|
|
use Symfony\Component\Cache\CacheItem;
|
|
use Symfony\Contracts\Cache\CacheInterface;
|
|
|
|
/**
|
|
* @author Titouan Galopin <galopintitouan@gmail.com>
|
|
*/
|
|
class NullAdapter implements AdapterInterface, CacheInterface
|
|
{
|
|
private static $createCacheItem;
|
|
|
|
public function __construct()
|
|
{
|
|
self::$createCacheItem ?? self::$createCacheItem = \Closure::bind(
|
|
static function ($key) {
|
|
$item = new CacheItem();
|
|
$item->key = $key;
|
|
$item->isHit = false;
|
|
|
|
return $item;
|
|
},
|
|
null,
|
|
CacheItem::class
|
|
);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function get(string $key, callable $callback, float $beta = null, array &$metadata = null): mixed
|
|
{
|
|
$save = true;
|
|
|
|
return $callback((self::$createCacheItem)($key), $save);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getItem(mixed $key): CacheItem
|
|
{
|
|
return (self::$createCacheItem)($key);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getItems(array $keys = []): iterable
|
|
{
|
|
return $this->generateItems($keys);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function hasItem(mixed $key): bool
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function clear(string $prefix = ''): bool
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItem(mixed $key): bool
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItems(array $keys): bool
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function save(CacheItemInterface $item): bool
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function saveDeferred(CacheItemInterface $item): bool
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function commit(): bool
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function delete(string $key): bool
|
|
{
|
|
return $this->deleteItem($key);
|
|
}
|
|
|
|
private function generateItems(array $keys): \Generator
|
|
{
|
|
$f = self::$createCacheItem;
|
|
|
|
foreach ($keys as $key) {
|
|
yield $key => $f($key);
|
|
}
|
|
}
|
|
}
|