mirror of
https://gitee.com/ShopeX/OMS
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98 lines
2.6 KiB
PHP
98 lines
2.6 KiB
PHP
<?php
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/**
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* Copyright © ShopeX （http://www.shopex.cn）. All rights reserved.
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* See LICENSE file for license details.
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*/
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/*
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* @package base
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* @copyright Copyright (c) 2010, shopex. inc
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* @author edwin.lzh@gmail.com
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* @license
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*/
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class base_kvstore_dba extends base_kvstore_abstract implements base_interface_kvstore_base
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{
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private $rs = null;
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private $handle = 'db4';
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function __construct($prefix)
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{
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if(!is_dir(DATA_DIR.'/kvstore/')){
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utils::mkdir_p(DATA_DIR.'/kvstore/');
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}
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}//End Function
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/**
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* fetch
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* @param mixed $key key
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* @param mixed $value value
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* @param mixed $timeout_version timeout_version
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* @return mixed 返回值
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*/
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public function fetch($key, &$value, $timeout_version=null)
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{
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$rs = dba_open(DATA_DIR.'/kvstore/dba.db','r-',$this->handle);
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$store = dba_fetch($this->create_key($key),$rs);
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dba_close($rs);
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$store = unserialize($store);
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if($store !== false && $timeout_version < $store['dateline']){
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if($store['ttl'] > 0 && ($store['dateline']+$store['ttl']) < time()){
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return false;
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}
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$value = $store['value'];
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return true;
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}
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return false;
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}//End Function
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/**
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* store
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* @param mixed $key key
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* @param mixed $value value
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* @param mixed $ttl ttl
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* @return mixed 返回值
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*/
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public function store($key, $value, $ttl=0)
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{
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$store['value'] = $value;
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$store['dateline'] = time();
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$store['ttl'] = $ttl;
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$rs = dba_open(DATA_DIR.'/kvstore/dba.db','cl',$this->handle);
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$ret = dba_replace($this->create_key($key), serialize($store), $rs);
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dba_close($rs);
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return $ret;
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}//End Function
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/**
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* 删除
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* @param mixed $key key
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* @return mixed 返回值
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*/
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public function delete($key)
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{
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$rs = dba_open(DATA_DIR.'/kvstore/dba.db','wl',$this->handle);
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$ret = dba_delete($this->create_key($key),$rs);
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dba_close($rs);
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return $ret;
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}//End Function
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/**
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* recovery
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* @param mixed $record record
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* @return mixed 返回值
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*/
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public function recovery($record)
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{
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$key = $record['key'];
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$store['value'] = $record['value'];
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$store['dateline'] = $record['dateline'];
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$store['ttl'] = $record['ttl'];
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$rs = dba_open(DATA_DIR.'/kvstore/dba.db','cl',$this->handle);
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$ret = dba_replace($this->create_key($key), serialize($store), $rs);
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dba_close($rs);
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return $ret;
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}//End Function
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}//End Class
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