package com.chinaztt.mes.warehouse.excel;

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.chinaztt.mes.warehouse.service.StockService;

import java.util.ArrayList;
import java.util.List;

/**
 * @author ZTT
 */
public class StockUploadListener  extends AnalysisEventListener<StockData> {
	private static final int BATCH_COUNT = 1000;
	List<StockData> list = new ArrayList<>();

	private StockService stockService;

	public StockUploadListener(StockService stockService) {
		this.stockService = stockService;
	}

	@Override
	public void invoke(StockData data, AnalysisContext analysisContext) {
		list.add(data);
		if (list.size() >= BATCH_COUNT) {
			save();
			list.clear();
		}
	}

	@Override
	public void doAfterAllAnalysed(AnalysisContext analysisContext) {
		save();
	}


	private void save() {
		stockService.importExcel(list);
	}
}