OK, so far I like GPB. However, I have a very simple question, but
one which I can't find an answer for:
I have created a test Java application that uses ObjectInputStream and
ObjectOutputStream over sockets. No problems, it works! I use my GPB
class writeTo and parseFrom to send and reconstitut
Thanks for the reply Adam -I did a simple sub into my code with your
suggestion, but it doesn't work. However, now it's made me think of
more questions.
If protocol buffers doesn't use object I/O streams, which streams does
it use? The argument in Java simply asks for an OutputStream
argumen
mat to the
> OutputStream. From a socket, just do:
>
> MyProtoBuf pb = new MyProtoBuf;
> ...
> pb.writeTo(socket.getOutputStream());
>
> On Wed, Dec 2, 2009 at 7:47 AM, Nigel Pickard wrote:
>
> > OK, so far I like GPB. However, I have a very simple question, but
>
Aaaah I think the fog is lifting. thanks!
So am I correct in thinking that byte order is taken in to account by
the GPB writeTo and parseFrom methods, no matter whether it's Java, C+
+, etc?
On Dec 2, 3:25 pm, Kenton Varda wrote:
> It doesn't matter what kind of stream you use. Protobufs ju
Adam, Jason, Kenton and Henner, thanks and much appreciated!
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Oh, wait So I have a test Java app where one thread is running as
a server, one as a client.
I've been sending a GPB defined class instance between them, no
problem when I use Object I/O streams (e.g. ObjectOutputStream on the
server, ObjectInputStream on the client. I've been calling writeTo
OutputStreams transparent ? Or do they prepend/append
> things to the data ?
>
> On Wed, Dec 2, 2009 at 13:11, Nigel Pickard wrote:
> > Oh, wait So I have a test Java app where one thread is running as
> > a server, one as a client.
>
> > I've been sending
When the Java test app works, I'd say the IO stream is transparent. I
use the same simple object instance each time (have a hard coded
method that simply returns the same object so it's identical), and I
simply call the toString of the instance to see what it is (before I
call writeTo on the serve
Jason:
You know that's what I thought too about the InputStream/OutputStream
after reading the Javadoc. I'm using Eclipse Galileo with Java
1.6.0.17 -for some reason it let me compile it and run it, creating an
instance -I figured that was probably one of the problems.
I'll post some code later.
Here's my sample code. In this code, everything works for me -however
when I change the GPBClient to use Data IO streams (just comment out
the Object IO references and uncomment the Data IO references in
GPBClient), that's when I get the
"com.google.protobuf.InvalidProtocolBufferException: Protoco
Oliver:
thanks for the reply. I'm not going to use Object IO streams, rather
I used it as an example of how the IO stream type seems to make a
difference at each end. Further, I now realize that once I use an IO
stream type, I must use the same type of stream at each ends of a Java
app I was
I'm having a problem working out how to assign a nested object's value
in C++ (my Java version works fine). E.g. in the proto file for my
car object I define:
import "mycustomengine.proto";
message MyCar {
optional string name = 1;
optional string model = 2;
optional MyCustomEngine cust
Henner:
excellent, that worked I knew someone must have done that
already!
Thanks again,
Nigel
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I read various messages on this subject in the message board, but
couldn't really find what I was looking for. Here is what I'd like to
do:
1. I have messages of type Animal, Vegetable and Mineral.
2. I want to send these 3 dissimilar objects of Animal, Vegetable and
Mineral to a file or output s
I'm having a problem writing multiple messages to a file and reading
them back in c++ using GPB 2.3.0. What I'm trying to do:
I have a GPB generated object that contains a repeated field, e.g.
myobject.proto is:
message MyObject {
required uint64 x =1;
required uint32
Thanks Evan, I'll give this a try.
I have actually got the code working, but it involves creating a new
output stream everytime I write to it (surely got to be wasteful and
not the right way?).
Nigel
On May 13, 11:50 am, Evan Jones wrote:
> On May 13, 2011, at 10:12 , Nigel Picka
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