Re: archivers

[Sven N. Thommesen]

At 02:23 PM 1/29/01, you wrote:
> >>>>> "ST" == Sven N Thommesen <address@hidden> writes:
>
> ST> is it possible to use the lispArchiver to have e.g. the modelSwarm
> ST> read in parameters *for itself* from a named file, i.e. w/o the
> ST> create-a-new-object step?
>
> [lispAppArchiver getWithZone: self key: "modelSwarm"] will create and
> load a ready-to-use object as specified by the MAKE-INSTANCE
> expression associated with the 'modelSwarm key in the application's
> .scm file.  If you want to have a ModelSwarm with ad-hoc control over
> loading subcomponents, you can add a class that holds its parameters
> and then, somewhere in a ModelSwarm method, ask for a key having a
> (make-instance 'Parameter [etc]) value.

Yes, I see how that would work.

I guess what I had in mind was to not have the 'make-instance' bit in the 
.scm file, so that the Archiver would just plug the values provided in the 
named .scm file into the corresponding ivars in a specified, *existing* 
object. Possible?

-s


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