[omniORB] [Q]report server architecture with omniOrb
Martin Trappel
0xCDCDCDCD at gmx.at
Fri Feb 6 09:37:21 GMT 2009
V S P wrote:
>> So what I thought, I need, is a way, may be,
>> for the ReportGenerator ::StartProcessingRequest to post a task
>> onto the internal OmniOrb queue (if such a thing exists)
>> such that one thread unlocks and starts processing the task.
(...)
> I think I am finally able to distill my question into something I can
> describe one sentense :-)
>
> does omniOrb support non-blocking remote calls (from client-to-servants)
> and non-blocking calls to functions of the Servant from within that
> servant
> (using POA if that's relevant for the question)
>
> if yes, is there example/description I can start looking at?
>
>
Your question has nothing to do with CORBA or omniORB.
Exactly What *your* implementation of the interface does is entirely up
to you.
The non-blocking part of the call will be implemented by you, because
you will have to decide if you return true or false after checking your
internal state. CORBA/omniORB just is responsible for the communication
framework, i.e. that you call to StartProcessingRequest gets to the
right implementation.
So it might look like this:
0) Your method gets called by omniORB due to a remote (or local) invocation
1) You check if you're busy
2) If busy: return false
3) If not busy: You start new thread or process to do work
4) return true
br,
Martin
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