friendica/src/Core/Cache/Type/ArrayCache.php

122 lines
2.5 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Core\Cache\Type;
use Friendica\Core\Cache\Enum\Duration;
use Friendica\Core\Cache\IMemoryCache;
use Friendica\Core\Cache\Type\TraitCompareDelete;
use Friendica\Core\Cache\Enum\Type;
/**
* Implementation of the IMemoryCache mainly for testing purpose
*/
class ArrayCache extends BaseCache implements IMemoryCache
{
use TraitCompareDelete;
/** @var array Array with the cached data */
protected $cachedData = array();
/**
* (@inheritdoc)
*/
public function getAllKeys($prefix = null)
{
return $this->filterArrayKeysByPrefix(array_keys($this->cachedData), $prefix);
}
/**
* (@inheritdoc)
*/
public function get($key)
{
if (isset($this->cachedData[$key])) {
return $this->cachedData[$key];
}
return null;
}
/**
* (@inheritdoc)
*/
public function set($key, $value, $ttl = Duration::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public function clear($outdated = true)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if ($outdated) {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, $ttl = Duration::FIVE_MINUTES)
{
if (isset($this->cachedData[$key])) {
return false;
} else {
return $this->set($key, $value, $ttl);
}
}
/**
* (@inheritdoc)
*/
public function compareSet($key, $oldValue, $newValue, $ttl = Duration::FIVE_MINUTES)
{
if ($this->get($key) === $oldValue) {
return $this->set($key, $newValue);
} else {
return false;
}
}
/**
* {@inheritDoc}
*/
public function getName()
{
return Type::ARRAY;
}
}