radarrplexorganizrnginxsonarrdashboardserverhomepagesabnzbdheimdallembycouchpotatonzbgetbookmarkapplication-dashboardmuximuxlandingpagestartpagelandinghtpc
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
2.4 KiB
57 lines
2.4 KiB
<?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\Contracts\Cache;
|
|
|
|
use Psr\Cache\CacheItemInterface;
|
|
use Psr\Cache\InvalidArgumentException;
|
|
|
|
/**
|
|
* Covers most simple to advanced caching needs.
|
|
*
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
|
*/
|
|
interface CacheInterface
|
|
{
|
|
/**
|
|
* Fetches a value from the pool or computes it if not found.
|
|
*
|
|
* On cache misses, a callback is called that should return the missing value.
|
|
* This callback is given a PSR-6 CacheItemInterface instance corresponding to the
|
|
* requested key, that could be used e.g. for expiration control. It could also
|
|
* be an ItemInterface instance when its additional features are needed.
|
|
*
|
|
* @param string $key The key of the item to retrieve from the cache
|
|
* @param callable|CallbackInterface $callback Should return the computed value for the given key/item
|
|
* @param float|null $beta A float that, as it grows, controls the likeliness of triggering
|
|
* early expiration. 0 disables it, INF forces immediate expiration.
|
|
* The default (or providing null) is implementation dependent but should
|
|
* typically be 1.0, which should provide optimal stampede protection.
|
|
* See https://en.wikipedia.org/wiki/Cache_stampede#Probabilistic_early_expiration
|
|
* @param array &$metadata The metadata of the cached item {@see ItemInterface::getMetadata()}
|
|
*
|
|
* @return mixed The value corresponding to the provided key
|
|
*
|
|
* @throws InvalidArgumentException When $key is not valid or when $beta is negative
|
|
*/
|
|
public function get(string $key, callable $callback, float $beta = null, array &$metadata = null);
|
|
|
|
/**
|
|
* Removes an item from the pool.
|
|
*
|
|
* @param string $key The key to delete
|
|
*
|
|
* @throws InvalidArgumentException When $key is not valid
|
|
*
|
|
* @return bool True if the item was successfully removed, false if there was any error
|
|
*/
|
|
public function delete(string $key): bool;
|
|
}
|
|
|