gist for response entity with future

response202Future.java

    @RequestMapping("/async/user/{name}")
    public CompletableFuture<ResponseEntity<ClientResponse>> findUserAsync(@PathVariable(value = "name") String name) {
        long start = System.currentTimeMillis();
        CompletableFuture<ResponseEntity<ClientResponse>> result = new CompletableFuture<>();
        ClientResponse clientResponse = new ClientResponse();
        ListenableFuture<ResponseEntity<ServerResponse>> entity = asyncRestTemplate.getForEntity(
                BASE_URL + name, ServerResponse.class);
        entity.addCallback(new ListenableFutureCallback<ResponseEntity<ServerResponse>>() {
            @Override
            public void onFailure(Throwable ex) {
                clientResponse.setError(true);
                clientResponse.setCompletingThread(Thread.currentThread().getName());
                clientResponse.setTimeMs(System.currentTimeMillis() - start);
                result.complete(ResponseEntity.status(HttpStatus.ACCEPTED).body(clientResponse));
            }

            @Override
            public void onSuccess(ResponseEntity<ServerResponse> entity) {
                clientResponse.setData(entity.getBody());
                clientResponse.setCompletingThread(Thread.currentThread().getName());
                clientResponse.setTimeMs(System.currentTimeMillis() - start);
                result.complete(ResponseEntity.status(HttpStatus.ACCEPTED).body(clientResponse));
            }
        });
        return result;
    }