@Service

public class RatingServiceClient {

​

    private final RestTemplate restTemplate = new RestTemplate();

​

    @Value("${rating.service.endpoint}")

    private String ratingService;

​

    @TimeLimiter(name = "ratingService", fallbackMethod = "getDefault")

    public CompletionStage<ProductRatingDto> getProductRatingDto(int productId){

        Supplier<ProductRatingDto> supplier = () ->

            this.restTemplate.getForEntity(this.ratingService + productId, ProductRatingDto.class)

                    .getBody();

        return CompletableFuture.supplyAsync(supplier);

    }

​

    private CompletionStage<ProductRatingDto> getDefault(int productId, Throwable throwable){

        return CompletableFuture.supplyAsync(() -> ProductRatingDto.of(0, Collections.emptyList()));

    }

​

}

​