RE: Defininng and using an object as a Swarm and a SwarmObject at thesame time.

[Joseph E. Villa]

Dear Paul,

Indeed, I believe you are right that a mixup is in progress.

1) I did indeed confuse the multiple classes in a single file as
multiple inheritance. My bad. Deepest apologies to all!
2) I may try to extricate these two classes from the single file, as you
suggest, if my other educational exercises run short. (Unlikely!)
3) I agree that 'multiple anything' is not necessary. Indeed, I tried to
say something similar in an earlier post.
4) Actually, the original question was posed by W.U.Shu. 

I think it's great to get a chance to have a conversation about Mr.
Shu's domain challenges. Truly - while getting code to run, files to
compile, thingies to link, and the gods to smile is interesting - it's
the opportunity to collaborate on the broader, domain issues that I find
really fascinating and rewarding. I'm hoping that my SWARMjournal
(http://home.earthlink.net/~thevillas/SWARMweb) will become mature
enough that I can introduce some of my domain issues to the hive and
that, in turn, I may stimulate some mutually rewarding conversation.

In the meantime, I hope you all will bear with me as I poke my nose in
and try to make meaningful contributions -- even if I get it muddled
from time to time.

Cheers to all!

Joseph.


> -----Original Message-----
> From: Paul E. Johnson [mailto:address@hidden
> Sent: Monday, March 22, 1999 2:14 PM
> To: address@hidden
> Subject: Re: Defininng and using an object as a Swarm and a 
> SwarmObject
> at thesame time.
> 
> 
> Dear Joseph:
> 
> I think there is some kind of mixup going on with your question and
> their answers. The example you show below is one in which 
> there are two
> classes created in the same file.  The ParameterManager is a 
> SwarmObject
> and ExperSwarm is a GUISwarm.  They are not a single class 
> just because
> they were put together in a single file. I wish it were not 
> written this
> way, because it is truly confusing to new users.  For educational
> purposes, you could consider trying to separate their code into two
> files and then editing the Makefile so that they are truly separate. 
> THe only interesting part would be separating the import files so that
> the ones which apply to one class go with it into a separate file. If
> your result compiles, I think you should make a patch and 
> submit it for
> the swarmapps package to save future users that confusion.
> 
> Now, going back to the original question, it has not been clear to me
> from the start that you need multiple anything. I don't 
> recall seeing an
> explanation of which methods you require in a SwarmObject in your
> simulation that you don't have access to?  I'm afraid that 
> the specific,
> precise terminology that the Swarm experts use may not be the same
> terminology that you and I use, and so when we ask a question, they
> don't quite understand what we mean.
> 
> I don't mean to fall off the bus here, and if I've totally missed the
> point of your question I'm sorry. Perhaps you could refer me to which
> mail message has the most detailed description of the modeling project
> you are trying to work on and I'll understand it better. 
> 
> "Joseph E. Villa" wrote:
> > 
> > Alex,
> > 
> > Thanks for the correction/commentary! What is the appropriate way to
> > refer to the following (the part where two interfaces 
> subclass/inherit
> > from two superclasses [SwarmObject & GUISwarm] within a single class
> > [simpleExperBug])?
> > 
> > Joseph Villa
> > 
> > ================================================================
> > 
> > // ExperSwarm.h                                 simpleExperBug
> > 
> > // The ExperSwarm is a swarm that manages multiple invocations of a
> > // model.
> > 
> > #import "ModelSwarm.h"
> > #import <simtoolsgui/GUISwarm.h>
> > #import <objectbase/SwarmObject.h>
> > #import <objectbase.h>
> > #import <analysis.h>
> > 
> > // First, the interface for the ParameterManager
> > 
> > @interface ParameterManager: SwarmObject
> > ...
> > @end
> > 
> > // Now, the Experiment Swarm Interface
> > 
> > @interface ExperSwarm: GUISwarm
> > ...
> > @end
> > 
> > ================================================================
> 
> 
> -- 
> Paul E. Johnson                               email: 
> address@hidden
> Dept. of Political Science                    
http://lark.cc.ukans.edu/~pauljohn
University of Kansas                    Office: (785) 864-9086
Lawrence, Kansas 66045                  FAX: (785) 864-5700

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