I see. thanks

On Thursday, November 15, 2018 at 2:01:06 PM UTC-5, Carl Mastrangelo wrote:
>
> Future stub is only suitable for Unary RPCs.   If you look at how the stub 
> library is implemented, BlockingStubs wrap the FutureStubs, which wrap the 
> regular Stubs, which themselves wrap ClientCall and ServerCall.  All are 
> layers on top of the other, and get more advanced the farther down the 
> layers you go.  The higher up, the more simple it is to use.
>
> On Wednesday, November 14, 2018 at 1:57:20 PM UTC-8, [email protected] 
> wrote:
>>
>> Why not using FutureStub? Seems it returning a ListenableFuture already 
>> for client to use it? 
>>
>>
>> 在 2018年11月14日星期三 UTC-5下午2:28:56,Carl Mastrangelo写道:
>>>
>>> Yes.  It is still async.  
>>>
>>> Do be aware that flow control works slightly differently for RPCs that 
>>> don't have "stream" on them (we call these "unary" RPCs).   This is not 
>>> usually an issue unless you are sending very fast or lots of data (like 
>>> sustained Gigabits  per second).  
>>>
>>> On Wednesday, November 14, 2018 at 9:41:45 AM UTC-8, qplc wrote:
>>>>
>>>> Thank you Carl for your response.
>>>>
>>>> What if I don't use prefix 'stream' in service definition, shall rpc 
>>>> calls still be executed in asynchronous manner by implementing 
>>>> TestServiceGrpc.TestServiceStub?
>>>>
>>>> Modified service def:
>>>> service TestService {
>>>>   rpc testRPCCall(Test) returns (Test) {}
>>>> }
>>>>
>>>>
>>>> On Monday, November 12, 2018 at 5:37:56 PM UTC+5:30, qplc wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I've implemented below service definition in my grpc server/client 
>>>>> application.
>>>>>
>>>>> service TestService {
>>>>>   rpc testRPCCall(stream Test) returns (stream Test) {}
>>>>> }
>>>>>
>>>>> I found below stubs can be implemented on proto file compilation.
>>>>> TestServiceGrpc.TestServiceStub
>>>>> TestServiceGrpc.TestServiceBlockingStub
>>>>> TestServiceGrpc.TestServiceFutureStub
>>>>> TestServiceGrpc.TestServiceImplBase
>>>>>
>>>>> I want to adapt asynchronous behavior of rpc calls. But, I'm not sure 
>>>>> which one of above should be implemented. Is it mandatory to stream a rpc 
>>>>> call(stream Test) as mentioned in above service definition for 
>>>>> asynchronous 
>>>>> implementation?
>>>>>
>>>>>
>>>>> Thanks in advance.
>>>>>
>>>>>

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