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package ars.database.service;

import java.io.File;

import ars.util.Nfile;
import ars.invoke.local.Api;
import ars.invoke.local.Param;
import ars.invoke.request.Requester;

/**
 * 数据导入业务接口
 *
 * @param  数据模型
 * @author wuyongqiang
 */
public interface ImportService extends Service {
    /**
     * 数据批量导入
     *
     * @param requester 请求对象
     * @param file      导入文件对象
     * @param start     开始数据行下标（从0开始）
     * @return 导入结果对象
     * @throws Exception 操作异常
     */
    @Api("input")
    public Imexports.Result input(Requester requester, @Param(name = "file", required = true) Nfile file,
                                  @Param(name = "start", required = true, regex = "^[0-9]+$") Integer start) throws Exception;

    /**
     * 下载批量导入失败文件
     *
     * @param requester 请求对象
     * @param name      文件名称
     * @return 文件对象
     */
    @Api("download")
    public File download(Requester requester, @Param(name = "name", required = true) String name);

}