friendica/src/Core/Cache/IMemoryCache.php
2019-08-04 15:58:53 +02:00

45 lines
1.2 KiB
PHP

<?php
namespace Friendica\Core\Cache;
/**
* This interface defines methods for Memory-Caches only
*
* Interface IMemoryCache
*
* @package Friendica\Core\Cache
*/
interface IMemoryCache extends ICache
{
/**
* Sets a value if it's not already stored
*
* @param string $key The cache key
* @param mixed $value The old value we know from the cache
* @param int $ttl The cache lifespan, must be one of the Cache constants
* @return bool
*/
public function add($key, $value, $ttl = Cache::FIVE_MINUTES);
/**
* Compares if the old value is set and sets the new value
*
* @param string $key The cache key
* @param mixed $oldValue The old value we know from the cache
* @param mixed $newValue The new value we want to set
* @param int $ttl The cache lifespan, must be one of the Cache constants
*
* @return bool
*/
public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES);
/**
* Compares if the old value is set and removes it
*
* @param string $key The cache key
* @param mixed $value The old value we know and want to delete
* @return bool
*/
public function compareDelete($key, $value);
}