package com.linghu.config;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.linghu.model.entity.KeywordTask;
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import com.linghu.service.KeywordTaskService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Configuration;
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import javax.annotation.PostConstruct;
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@Configuration
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public class ShutdownHookConfig {
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@Autowired
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private KeywordTaskService keywordTaskService;
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@PostConstruct
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public void registerShutdownHook() {
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Runtime.getRuntime().addShutdownHook(new Thread(() -> {
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System.out.println("JVM关闭钩子：执行最后的操作...");
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performFinalOperations();
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}));
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}
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private void performFinalOperations() {
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// 关键操作逻辑
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//将关键词任务关系中任务id为null的状态改为false
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LambdaUpdateWrapper<KeywordTask> updateWrapper = new LambdaUpdateWrapper<>();
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updateWrapper.isNull(KeywordTask::getTask_id).set(KeywordTask::getStatus, "false");
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keywordTaskService.update(updateWrapper);
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}
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}
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