By the way this is documented here:
http://code.google.com/apis/protocolbuffers/docs/reference/cpp-generated.html#fields
On Thu, Jan 13, 2011 at 5:42 PM, Jason Hsueh <jas...@google.com> wrote:
>
>
> On Thu, Jan 13, 2011 at 5:38 PM, Linus <suram.su...@gmail.com> wrote:
>
>> I am new to PB and I just ran into this. Is it possible that the PB
>> compiler does not generate set_<...> methods for some nested messages?
>>
>> Here is an example: I don't see set_<...> methods for ANY of the
>> parameters in the db message.
>>
>
> For message type fields, there is no set_<...> method. The codegen produces
> mutable_<...> methods instead. Otherwise it is easy to write inefficient
> code - set would require a potentially expensive copy of the message.
>
>
>>
>> What am I missing???
>>
>> package pd;
>>
>> message nv
>> {
>> repeated int32 Length = 1;
>> }
>>
>> message dp
>> {
>> required int32 DesignID = 1;
>> repeated double Design = 2;
>> }
>>
>> message Shape
>> {
>> required int32 size_m = 1;
>> required int32 size_n = 2;
>> }
>>
>> message ds
>> {
>> required int32 DesignID = 1;
>> repeated double data = 2;
>> }
>>
>> message db
>> {
>> required nv numVars = 1;
>> repeated dp despar = 2;
>> required Shape db_size = 3;
>> repeated ds dtst = 4;
>> }
>>
>>
>> On Jan 13, 1:48 pm, Linus <suram.su...@gmail.com> wrote:
>> > Hello,
>> >
>> > I have nested messages like the following (it is a little more
>> > complicated, but i am trying to simplify with this example).
>> >
>> > package DB;
>> >
>> > message Header
>> > {
>> > required int32 ID=1;
>> > message param
>> > {
>> > required int32 size_m = 1;
>> > required int32 size_n = 2;
>> > }
>> > required param p = 2;
>> >
>> > }
>> >
>> > message data
>> > {
>> > repeated double = 1;
>> >
>> > }
>> >
>> > message DB
>> > {
>> > required Header = 1;
>> > required data = 2;
>> >
>> > }
>> >
>> > The problem I am having is that the accessor methods generated for the
>> > "DB " does not have a
>> > set_param( DB::Header::param ).
>> >
>> > Is there something wrong with how I am structuring my messages? Any
>> > help is appreciated.
>> > Please let me know if this post is unclear and I will try and explain
>> > myself better.
>> >
>> > Thanks!
>> > Linus
>>
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>
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