<?php
/**
 * Copyright 2012-2026 ShopeX (https://www.shopex.cn)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * 文件生成存储抽象类
 *
 * @author kamisama.xia@gmail.com
 * @version 0.1
 */

abstract class taskmgr_storage_abstract {

    protected $_extName = '';

    //saas定义的是用户域名
    private function kvprefix() {
        return (defined('KV_PREFIX')) ? KV_PREFIX : 'default';
    }

    //根据参数生成文件名
    public function _ident($key){

        if ($this->_extName) {
            return md5(microtime().$this->kvprefix()).$key.'.'.$this->_extName;
        }

        return md5(microtime().$this->kvprefix()).$key.'.csv';
    }

    public function setExtName($extName) {
        $this->_extName = $extName;
    }
}