Springboot初期化beanスキャン

public class AnnotationScan implements ApplicationListener{
    @Autowired
    RedisTemplate redisTemplate;

    private final static Logger logger = LoggerFactory.getLogger(AnnotationScan.class);

    /**
     *  
     * @param event
     */
    @Override
    public void onApplicationEvent(ContextRefreshedEvent event) {
        HashSet set = new HashSet<>();// 
        if(event.getApplicationContext().getParent() == null)
        {
            Map, Object> beans = event.getApplicationContext().getBeansWithAnnotation(RestController.class);// ControllerBean
            Set, Object>> entries = beans.entrySet();// Bean
            Iterator, Object>> iterator = entries.iterator();
            while(iterator.hasNext()){
                Map.Entry, Object> map = iterator.next();
                Class> aClass = map.getValue().getClass();
                Method[] methods = aClass.getMethods();
                for (Method method: methods
                     ) {
                    AuthAnnotation annotation = method.getAnnotation(AuthAnnotation.class);
                    if(annotation==null){// 
                        logger.warn(" ");
                    }else{
                        String[] authorities = annotation.authorities();
                        for (String authority: authorities
                             ) {
                            set.add(authority);// ， 
                        }
                    }
                }
            }
        }
    }

@Bean
public AnnotationScan annotationScan(){return new AnnotationScan();}