<?php<liu21st@gmail.com>
defined('THINK_PATH') or exit();
/**
* Apc缓存驱动
* @category Extend
* @package Extend
* @subpackage Driver.Cache
* @author liu21st <liu21st@gmail.com>
*/
class CacheApc extends Cache {
public function __construct($options=array()) {
if(!function_exists('apc_cache_info')) {
throw_exception(L('_NOT_SUPPERT_').':Apc');
}
$this->options['prefix'] = isset($options['prefix'])? $options['prefix'] : C('DATA_CACHE_PREFIX');
$this->options['length'] = isset($options['length'])? $options['length'] : 0;
$this->options['expire'] = isset($options['expire'])? $options['expire'] : C('DATA_CACHE_TIME');
}
public function get($name) {
N('cache_read',1);
return apc_fetch($this->options['prefix'].$name);
}
public function set($name, $value, $expire = null) {
N('cache_write',1);
if(is_null($expire)) {
$expire = $this->options['expire'];
}
$name = $this->options['prefix'].$name;
if($result = apc_store($name, $value, $expire)) {
if($this->options['length']>0) {
$this->queue($name);
}
}
return $result;
}
public function rm($name) {
return apc_delete($this->options['prefix'].$name);
}
public function clear() {
return apc_clear_cache();
}
}