SpringBoot加载运行时监听器(SpringApplicationRunListeners)

时间:2020-06-03 10:47:29   收藏:0   阅读:82

SpringBoot加载运行时监听器(SpringApplicationRunListeners)

利用 Spring 工厂加载机制,读取 SpringApplicationRunListener 对象集合,并且封装到组合类
SpringApplicationRunListeners

实现运行时监听器

public class HelloWorldRunListener implements SpringApplicationRunListener {
    public HelloWorldRunListener(SpringApplication application, String[] args) {
    }
    // Spring 应用刚启动
    @Override
    public void starting() {
        System.out.println("HelloWorldRunListener.starting()...");
    }
    //  ConfigurableEnvironment 准备妥当,允许将其调整
    @Override
    public void environmentPrepared(ConfigurableEnvironment environment) {
    }
    // configurableApplicationContext 准备妥当,允许将其调整
    @Override
    public void contextPrepared(ConfigurableApplicationContext context) {
    }
    // ConfigurableApplicationContext 已装载,但仍未启动
    @Override
    public void contextLoaded(ConfigurableApplicationContext context) {
    }
    // ConfigurableApplicationContext 已启动,此时 Spring Bean 已初始化完成
    @Override
    public void started(ConfigurableApplicationContext context) {
    }
    // Spring 应用正在运行
    @Override
    public void running(ConfigurableApplicationContext context) {
    }
    // Spring 应用运行失败
    @Override
    public void failed(ConfigurableApplicationContext context, Throwable exception) {
    }
}
# SpringApplicationRunListener
org.springframework.boot.SpringApplicationRunListener=com.imooc.diveinspringboot.run.HelloWorldRunListener
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