friendica/src/Core/Cache/ArrayCache.php

89 lines
1.4 KiB
PHP

<?php
namespace Friendica\Core\Cache;
use Friendica\Core\Cache;
/**
* Implementation of the IMemoryCacheDriver mainly for testing purpose
*
* Class ArrayCache
*
* @package Friendica\Core\Cache
*/
class ArrayCache extends AbstractCacheDriver implements IMemoryCacheDriver
{
use TraitCompareDelete;
/** @var array Array with the cached data */
protected $cachedData = array();
/**
* (@inheritdoc)
*/
public function get($key)
{
if (isset($this->cachedData[$key])) {
return $this->cachedData[$key];
}
return null;
}
/**
* (@inheritdoc)
*/
public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$this->cachedData[$key] = $value;
return true;
}
/**
* (@inheritdoc)
*/
public function delete($key)
{
unset($this->cachedData[$key]);
return true;
}
/**
* (@inheritdoc)
*/
public function clear($outdated = true)
{
// Array doesn't support TTL so just don't delete something
if ($outdated) {
return true;
}
$this->cachedData = [];
return true;
}
/**
* (@inheritdoc)
*/
public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
{
if (isset($this->cachedData[$key])) {
return false;
} else {
return $this->set($key, $value, $ttl);
}
}
/**
* (@inheritdoc)
*/
public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES)
{
if ($this->get($key) === $oldValue) {
return $this->set($key, $newValue);
} else {
return false;
}
}
}