@Path("/service")
public class TraceableService {
    final private Random random = new Random();

    TraceableServiceInterface client;
    TraceableService() {
        client = new Feign.Builder().target(TraceableServiceInterface.class, "http://localhost:8080");
    }

    @GET
    @Path("/aaaa")
    public String aaaaEndpoint() throws InterruptedException {
        String responseB = client./*api().*/bbbbEndpoint();
        String responseC = client./*api().*/ccccEndpoint();
        Thread.sleep(random.nextInt(1000));
        return "aaaa-res:" + responseB + ":" + responseC;
    }

    @GET
    @Path("/bbbb")
    public String bbbbEndpoint() throws InterruptedException {
        String responseD = client./*api().*/ddddEndpoint();
        String responseE = client./*api().*/eeeeEndpoint();
        Thread.sleep(random.nextInt(1000));
        return "bbbb-res:" + responseD + ":" + responseE;
    }

    @GET
    @Path("/cccc")
    public String ccccEndpoint() throws InterruptedException {
        String responseF = client./*api().*/ffffEndpoint();
        Thread.sleep(random.nextInt(1000));
        return "cccc-res:" + responseF;
    }

    @GET
    @Path("/dddd")
    public String ddddEndpoint() throws InterruptedException {
        Thread.sleep(random.nextInt(1000));
        return "dddd";
    }

    @GET
    @Path("/eeee")
    public String eeeeEndpoint() throws InterruptedException {
        Thread.sleep(random.nextInt(1000));
        return "eeee";
    }

    @GET
    @Path("/ffff")
    public String ffffEndpoint() throws InterruptedException {
        String responseG = client./*api().*/ggggEndpoint();
        Thread.sleep(random.nextInt(1000));
        return "ffff-res:" + responseG  ;
    }

    @GET
    @Path("/gggg")
    public String ggggEndpoint() throws InterruptedException {
        Thread.sleep(random.nextInt(1000));
        return "gggg";
    }
}