RE: Inheritance that can add/remove and new occam?

[Philippe Lemaire <philippe.lemaire@xxxxxxxxxxxx>]

During my transputer work C004 were used to switch channel connections
dynamically to allow one transputer to receive data from successive nodes...

Philippe

> -----Original Message-----
> From:	Nayef Baker [SMTP:n.baker@xxxxxxxxxxxxxxxx]
> Sent:	Monday, October 23, 2000 15:46
> To:	Oyvind Teig
> Cc:	occam-com@xxxxxxxxx; java-threads@xxxxxxxxx
> Subject:	Re: Inheritance that can add/remove and new occam?
> 
> 
> I am not sure wheather this is very good idea or not!
> 
> I used some quasi-dynamic approach to connect/disconnect process at run
> time. Basically A calculated index of an array of channels allow various
> processes to talk/end-talk on semi dynamic way..
> 
> It would be great if Occam allows fully dynamic channel creation/ 
> destruction..
> 
> Nayef.
> 
> On Mon, 23 Oct 2000, Oyvind Teig wrote:
> 
> > Hi
> > 
> > When I make library code of occam programs I end up wanting some
> > action to be constrained. Either I don't want to send on a 
> > channel (because I have no server listening) or I don't want
> > to listen on a channel (or want to listen on a channel that
> > wasn't there originally). Now I use boolean flags (parameters)
> > to get something like this.
> > 
> > What I'm saying is: I want the local ALT to be "connected"
> > with a new and dynamic branch, and perhaps even have removed
> > a branch. I also want a local "!" (send) to be 
> > qualified/constrained by some kind of (dynamic?) flag; perhaps
> > this is saying that I do or don't want to handle some part
> > of the code (no: that output channel should really disappear).
> > 
> > I would like a "new occam" to have this functionality, but
> > is this possible without some kind of inheritance (like in
> > SC++)?? (But then, inheritance can't remove, only add..)
> > 
> > Is this possible in JCSP or CTJ?
> > 
> > Which proves this is no religion: we do see shortcomings.
> > 
> > -- 
> > Oyvind
> > 
> > @ Oyvind Teig (oyvind.teig@xxxxxxxxxxxx, oyvind.teig@xxxxxxxxxxxx)
> > @   Navia Maritime AS, division Autronica, 7005 Trondheim Norway 
> > @   Tel: +47 73 58 12 68, Fax: +47 73 58 10 01
> > @   http://www.autronica.no/ 
> > @   Now part of world's largest company in maritime electronics: 
> > @   http://www.kongsberg.com/
> > @ Publications at: http://www.autronica.no/pub/tech/rd/index.htm
> > 
> > 
> > 
>