How to determine message type in protobuf so that I can use that type.parsefrom(byte[ ])

Question

I am trying to send protobuf data from cpp side to java side.

I have multiple message types defined in .proto

On Cpp side, I have enums for every message type an

Answer 1

Protobuf 3 introduced a new concept, Any, that handles this. A good description can be found here.