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<?php
/**
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
class OC_Cache_XCache {
protected $prefix;
public function __construct($global = false) {
$this->prefix = OC_Util::getInstanceId().'/';
if (!$global) {
$this->prefix .= OC_User::getUser().'/';
}
}
/**
* entries in XCache gets namespaced to prevent collisions between owncloud instances and users
*/
protected function getNameSpace() {
return $this->prefix;
}
public function get($key) {
return xcache_get($this->getNamespace().$key);
}
public function set($key, $value, $ttl=0) {
if($ttl>0) {
return xcache_set($this->getNamespace().$key, $value, $ttl);
}else{
return xcache_set($this->getNamespace().$key, $value);
}
}
public function hasKey($key) {
return xcache_isset($this->getNamespace().$key);
}
public function remove($key) {
return xcache_unset($this->getNamespace().$key);
}
public function clear($prefix='') {
if(!function_exists('xcache_unset_by_prefix')) {
function xcache_unset_by_prefix($prefix) {
// Since we can't clear targetted cache, we'll clear all. :(
xcache_clear_cache(XC_TYPE_VAR, 0);
}
}
xcache_unset_by_prefix($this->getNamespace().$prefix);
return true;
}
}
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