60 lines
1.6 KiB
PHP
60 lines
1.6 KiB
PHP
<?php
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/**
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* Playcool Project
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*
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* LICENSE
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*
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* http://www.playcool.com/license/ice
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*
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* @category ICE
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* @package ChangeMe
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* @subpackage ChangeMe
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* @copyright Copyright (c) 2008 Zeed Technologies PRC Inc. (http://www.inews.com.cn)
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* @author xSharp ( GTalk: xSharp@gmail.com )
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* @since 2009-8-12
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* @version SVN: $Id: Date.php 4880 2010-01-21 03:19:40Z xsharp $
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*/
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class Zeed_Util_Unique_Backend_Memcached extends Zeed_Cache_Backend_Memcached
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{
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/**
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* 重新计算自增的唯一数值 ( 自增值初始化 )
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*
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* @param string|PP_Application_Model_Record $token
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* @return integer
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*/
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public function recountUniqueId($token = '')
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{
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return false;
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}
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/**
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* 获取一个自增的唯一的数值
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* Do not use Memcache::increment() with item, which was stored compressed,
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* because consequent call to Memcache::get() will fail.
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*
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* @param string|PP_Application_Model_Record $token
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* @param boolean $recount 重新计算 Memcached 自增值
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* @return integer|boolean
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*/
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public function getUniqueId($key = '', $offset = 1, $recount = false)
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{
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$id = 'UNIQUEID_' . $key;
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if ($recount || (! ($tmp = @$this->_memcached->increment($id, $offset)) || empty($tmp))) {
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$init_no = 1;
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$this->save($init_no, $id);
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$tmp = $init_no;
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}
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if (is_int($tmp) || (is_numeric($tmp) && ($tmp = (int) $tmp))) {
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return $tmp;
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}
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return false;
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}
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}
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// End ^ LF ^ encoding
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