@RequiredArgsConstructor
@RestController
class GreetingsRestController {

    private final RSocketRequester requester;

    @GetMapping("/greet/{name}")
    public Publisher<GreetingsResponse> greet(@PathVariable String name) {
        return requester
                .route("greet")
                .data(new GreetingsRequest(name))
                .retrieveMono(GreetingsResponse.class);
    }
}