Manual Java

gistfile1.txt

@RequestMapping
  public @ResponseBody String coffeeHouseIndex() {
    if (GlobalTracer.get() != null && GlobalTracer.get().activeSpan() != null) {
      try {
        GlobalTracer.get().activeSpan();
        if (setPriority.get() == null) {
          setPriority.compareAndSet(null, GlobalTracer.get().activeSpan().getClass().getDeclaredMethod("setSamplingPriority", int.class));
        }
        setPriority.get().invoke(GlobalTracer.get().activeSpan(), 2  );
      } catch(Exception e) {
        throw new RuntimeException(e);
      }
    }
    final long startTs = System.currentTimeMillis();
    User user = getRandomUser();
    final long dbTime = System.currentTimeMillis() - startTs;
    // distributed tracing with other applications
    if (nodeJSAppAvailable) {
        getUsersAuth();
    }
    prepareBrewInfo(user);
    return "Hello Java: " + System.currentTimeMillis()
      + "<br/>Fetched Random User: " + user + " in " + dbTime + "ms";
  }