spring boot 开启一个监听线程执行任务

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#spring boot #java #后端

于 2018-05-10 15:28:51 首次发布

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本文介绍了一个SpringBoot应用中实现的启动监听器示例。该监听器会在Spring上下文刷新后执行特定任务，例如初始化缓存。通过覆写`onApplicationEvent`方法并在`main`方法中注册监听器来实现。

public class StartApplicationListener implements ApplicationListener<ContextRefreshedEvent> {

    @Override
    public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
        ApplicationContext applicationContext = contextRefreshedEvent.getApplicationContext();
        ApplicationContext parent = applicationContext.getParent();
        if (parent == null) {
            CacheManager cacheManager = applicationContext.getBean(CacheManager.class);
            Cache cache = cacheManager.getCache(MsConstants.NODE_CACHE_NAME);
           new Thread(new Runnable() {
               @Override
               public void run() {
                  //代码
                 
               }
           }).start();
        }
    }

public static void main(String[] args) {
    SpringApplication app = new SpringApplication(FigureServerApplication.class);
    app.addListeners(new StartApplicationListener());
    app.run(args);
}