@Setter
@EzyPrototype
@EzyObjectBinding(write = false)
@EzyRequestListener(GREET)
public class GreetRequestHandler
    extends ClientRequestHandler
    implements EzyDataBinding {

    private String who;

    @EzyAutoBind
    private Greeting greeting;

    @Override
    protected void execute() throws EzyBadRequestException {
        responseFactory.newObjectResponse()
            .command(GREET)
            .param("message", greeting.greet(who))
            .session(session)
            .execute();
    }
}

private Map<String, EzyUserRequestHandlerProxy> extractRequestHandlersFromListener() {
            List<Object> clientRequestHandlers = getClientRequestHandlers();
            Map<String, EzyUserRequestHandlerProxy> handlers = new HashMap<>();
            for (Object handler : clientRequestHandlers) {
                Class<?> handleType = handler.getClass();
                EzyRequestListener annotation = handleType.getAnnotation(EzyRequestListener.class);
                String command = EzyRequestListenerAnnotations.getCommand(annotation);
                handlers.put(command, new EzyUserRequestHandlerProxy((EzyUserRequestHandler) handler));
                logger.debug("add command {} and request handler {}", command, handler);
            }
            return handlers;
        }
private List<Object> getClientRequestHandlers() {
            return singletonFactory.getSingletons(EzyRequestListener.class);
        }

public List getSingletons(Class... annotationClasses) {
        return this.getSingletons((o) -> {
            Class[] var2 = annotationClasses;
            int var3 = annotationClasses.length;

            for(int var4 = 0; var4 < var3; ++var4) {
                Class annotationClass = var2[var4];
                if (o.getClass().isAnnotationPresent(annotationClass)) {
                    return true;
                }
            }

            return false;
        });
    }
public List getSingletons(Predicate filter) {
        List list = new ArrayList();
        Iterator var3 = this.singletonSet.iterator();

        while(var3.hasNext()) {
            Object object = var3.next();
            if (filter.test(object)) {
                list.add(object);
            }
        }

        return list;
    }