From bceb2c8921a698ae6c17d92238e65f6ae4792384 Mon Sep 17 00:00:00 2001 From: Muxi Yan Date: Wed, 27 Nov 2019 09:17:07 -0800 Subject: [PATCH] Update doc of interceptor about response order requirements --- src/objective-c/GRPCClient/GRPCInterceptor.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/objective-c/GRPCClient/GRPCInterceptor.h b/src/objective-c/GRPCClient/GRPCInterceptor.h index 18abe544799..166990f8c6c 100644 --- a/src/objective-c/GRPCClient/GRPCInterceptor.h +++ b/src/objective-c/GRPCClient/GRPCInterceptor.h @@ -97,6 +97,10 @@ receiveNextMessages \endverbatim * + * An interceptor must forward responses to its previous interceptor in the order of initial + * metadata, message(s), and trailing metadata. Forwarding responses out of this order (e.g. + * forwarding a message before initial metadata) is not allowed. + * * Events of requests and responses are dispatched to interceptor objects using the interceptor's * dispatch queue. The dispatch queue should be serial queue to make sure the events are processed * in order. Interceptor implementations must derive from GRPCInterceptor class. The class makes