Hi again,
I seem to have found the answer myself:
http://code.google.com/apis/protocolbuffers/docs/techniques.html#union
Regards,
Jens
On Sunday, March 18, 2012, Jens Rantil <jens.ran...@gmail.com> wrote:
> Hi,
>
> I'm a newcomer to protobuf and am trying to wrap my head around some
> things. Let's say I have a message receiver of some kind. It can
> receive different types requests. All messages are encoded in protobuf
> and my receiver has all *.proto message definitions necessary be able
> to decode all incoming requests.
>
> My question is, does protobuf come with any bells and whistles that
> let me decode a random incoming message, given all possible message
> definitions? If not, how do you generally cope with this situation?
> Because I feel it's a common one.
>
> I guess one possible solution is to create another message definition:
> message GenericMessage {
> enum MessageType {
> SET_NAME = 0;
> CREATE_CUSTOMER = 1;
> }
> required MessageType type = 0;
> required bytes protobuf_data = 1;
> }
>
> However, this would require me to do two deserializations. Is this the
> prefered way to go? I'm curious to hear you input. Please pinpoint me
> if this has been answered previously in forum or in the documentation.
>
> Regards,
> Jens
>
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