grpc未来的存根故障

Question

我正在创建一个这样的非阻塞存根：

stub = ServiceGrpc.newFutureStub(channel);

然后，当我拨打电话时，我会使用以下内容：

ListenableFuture<SearchSubscriberResponse> searchSubscriberResponse = stub.withDeadlineAfter(timeout, TimeUnit.MILLISECONDS).searchSubscriber(searchSubscriberRequest);
Futures.addCallback(searchSubscriberResponse, futureCallback);

回调有两个选项，我看到了：

void onSuccess(@Nullable V var1);
void onFailure(Throwable var1);

在我的情况下，DEADLINE_EXCEEDED经常发生，但是onFailure只有一个Throwable参数，那么我怎样才能与产生失败的请求相关联？或者不是吗？

Answer 1

You can use a different futureCallback for each request.

ListenableFuture<SearchSubscriberResponse> searchSubscriberResponse = stub
    .withDeadlineAfter(timeout, TimeUnit.MILLISECONDS)
    .searchSubscriber(searchSubscriberRequest);
Futures.addCallback(searchSubscriberResponse,
    new YourFutureCallback(searchSubscriberRequest));