package com.zy.asrs.utils;

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.core.common.Cools;
import com.core.common.SpringUtils;
import com.core.exception.CoolException;
import com.zy.common.entity.OutLocBoxExcel;
import lombok.extern.slf4j.Slf4j;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * Created by vincent on 2019-11-25
 */
@Slf4j
public class OutLocBoxExcelListener extends AnalysisEventListener<OutLocBoxExcel> {

    private int total = 0;
    private Long userId;
    List<String> batchs = new ArrayList<>();

    public OutLocBoxExcelListener() {
    }

    public OutLocBoxExcelListener(Long userId) {
        this.userId = userId;
    }

    /**
     * 每隔5条存储数据库，实际使用中可以3000条，然后清理list ，方便内存回收
     */
    private static final int BATCH_COUNT = 50;

    private final List<OutLocBoxExcel> list = new ArrayList<>();

    /**
     * 这里会一行行的返回头
     */
    @Override
    public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
    }

    /**
     * 这个每一条数据解析都会来调用
     */
    @Override
    public void invoke(OutLocBoxExcel excel, AnalysisContext ctx) {
        String batch = excel.getBatch();
        batchs.add(batch);
        total++;
    }

    /**
     * 所有数据解析完成了调用
     * 适合事务
     */
    @Override
    public void doAfterAllAnalysed(AnalysisContext ctx) {
        log.info("生成{}条出库任务！", total);
    }

    public int getTotal() {
        return total;
    }
}