nextcloud/lib/private/cache/broker.php

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<?php
/**
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* @author Bart Visscher <bartv@thisnet.nl>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Cache;
class Broker {
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/**
* @var \OC\Cache
*/
protected $fast_cache;
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/**
* @var \OC\Cache
*/
protected $slow_cache;
public function __construct($fast_cache, $slow_cache) {
$this->fast_cache = $fast_cache;
$this->slow_cache = $slow_cache;
}
public function get($key) {
if ($r = $this->fast_cache->get($key)) {
return $r;
}
return $this->slow_cache->get($key);
}
public function set($key, $value, $ttl=0) {
if (!$this->fast_cache->set($key, $value, $ttl)) {
if ($this->fast_cache->hasKey($key)) {
$this->fast_cache->remove($key);
}
return $this->slow_cache->set($key, $value, $ttl);
}
return true;
}
public function hasKey($key) {
if ($this->fast_cache->hasKey($key)) {
return true;
}
return $this->slow_cache->hasKey($key);
}
public function remove($key) {
if ($this->fast_cache->remove($key)) {
return true;
}
return $this->slow_cache->remove($key);
}
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public function clear($prefix='') {
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$this->fast_cache->clear($prefix);
$this->slow_cache->clear($prefix);
}
}