package com.linghu.config;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.linghu.model.entity.KeywordTask;
import com.linghu.service.KeywordTaskService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

@Configuration
public class ShutdownHookConfig {
    @Autowired
    private KeywordTaskService keywordTaskService;

    @PostConstruct
    public void registerShutdownHook() {
        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
            System.out.println("JVM关闭钩子：执行最后的操作...");

            performFinalOperations();
        }));
    }

    private void performFinalOperations() {
        // 关键操作逻辑
        //将关键词任务关系中任务id为null的状态改为false
        LambdaUpdateWrapper<KeywordTask> updateWrapper =  new LambdaUpdateWrapper<>();
        updateWrapper.isNull(KeywordTask::getTask_id).set(KeywordTask::getStatus, "false");
        keywordTaskService.update(updateWrapper);



    }
}