Thank you for the quick reply, i will create a issue on the protobuf github site.
With best regards, Torsten On Wed, Nov 25, 2015 at 7:51 PM, Feng Xiao <[email protected]> wrote: > > > On Wed, Nov 25, 2015 at 10:39 AM <[email protected]> wrote: > >> Hello, >> >> i'am using a copy of the master branch of protobuf v 3.0.0-beta-1. >> >> { >> DynamicMessageFactory dynamicMessageFactory; >> Arena myArena; >> >> const Descriptor *messageDesc = >> m_pProtoFileDescriptor->FindMessageTypeByName( "Foo" ); >> Message *fooMessage = dynamicMessageFactory.GetPrototype( messageDesc >> )->New(&myArena); >> } >> >> What i try to do is loading a .proto file at runtime and create various >> Message instances from it by name. I want to use a Arena cause of the >> massive amount of message creations out of this loaded .proto Descriptor. >> >> Unfortunately both the DynamicMessageFactory and the Arena try to destroy >> the created message. The Message::New method description says that the >> ownership of the created message will be passed to the caller or in this >> case the arena. >> > This does sound like a bug in DynamicMessageFactory implementation. Could > you help file an bug for this on our github site? > > >> >> Is there another way to create Message instances out of a Descriptor at >> runtime? >> > No. DynamicMessageFactory is the only way. > > >> Is it intended to use the DynamicMessageFactory in common with a Arena? >> > Yes. Although as this feature is not used very frequently, there might be > bugs in its implementation. > > >> >> With best regards, >> >> Torsten >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Protocol Buffers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/protobuf. >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
