[Ace-users] [tao-users] Query on Corba

[Douglas C. Schmidt]

Hi,

> Thanks for you information.
> 
> I have one more doubt on performance.
> 
> Can we have valuetype having valuetype data in it?

Sure, that's doable.

> For example
> 
> valuetype  day{
> short year;
> short month;
> short date;
> void next day();
> void previous day();
> }
> 
> valuetype day_notes {
>     string notes;
>     string get_note();
> }
> 
> 
> valuetype today {
> 
>       valuetype day d;
>       valuetype day_note *notes;
> };
> 
> In above example valuetype today  contain two valuetypes of day and
> day_note. Is it supported?

Yes, though you'll need to read more about valuetypes to get the syntax
right since there are not pointers in OMG IDL.

> On performance i have one query.
> Suppose there is Interface function
> 
> valuetype today get_today_special()
> 
> Will performance effected if we use the Objects by Value like that?

What do you mean by "performance effected", i.e., compared to what?
Also, are you planning on using C++ or Java?

> I am asking since, when we doing marshallingand unmarshalling. we have
> to do all the valuetype today in the request, so it has to pack both
> valuetype day and valuetype day_note also. Am I correct?

Yes, indeed.

Take care,

     Doug