----- Original Message ----- From: "Bill Walton" <bill.wal...@charter.net> To: <hardhats-members at lists.sourceforge.net> Sent: 2006-04-10 11:05 AM Subject: Re: [Hardhats-members] Software Archetypes - single vs double systems
> Hi Greg, > > Greg Woodhouse wrote: > > > What I find most frustrating about discussion of > > archetypes is that it is so often vague and intuitive > > in nature, making it rather hard to decipher. > > I didn't know what level of detail was desired. Also, I'm not an expert on > archetypes and, as you'll see below, have no intention of putting myself > forward as such. Just thought I'd provide what information I could. I > didn't mean to frustrate, nor to offend. Sorry if I did. > > > --- Bill Walton <bill.walton at charter.net> wrote: > > > > > Archetypes provide a capability that's very familiar to programmers, > > > but take it to the next level. At the most basic level, it's about > > > decoupling. > <snip> > > > Archetypes (which I believe do not depend on an RDBMS > > > implementation) provide a similar capability, but take it to the domain > level. > > > > By domain do you mean application domain? > > Not sure exactly what you mean by "application." It may be too low-level. > I think of 'domain' as a place where we can, in general, use the same words > without having to worry about being misunderstood. So, domain as in > "domain-specific set of concepts" like medicine or aerospace. Weight, for > example, is a fairly unambiguous term in medicine, requiring at most I'd > think, a qualifier for unit of measure. That's because there's an implicit > assumption: the domain is "medicine as practiced on the planet Earth." For > aerospace folks, however, you might need to provide additional information > about mass and gravitational field to get to a similar level of (lack of) > ambiguity. > > <snip> > > > > > > > When working with an archetype-enabled system, programs / programmers > > > work directly with domain concepts like blood pressure or height or > > > weight. The underlying data is stored / accessed through the > > > archetype. > > > > But what does this mean? > > As suggested by your sig, I'll forward your email to the experts and get > back to you with their response(s). > > Best regards, > Bill > > > ------------------------------------------------------- > This SF.Net email is sponsored by xPML, a groundbreaking scripting language > that extends applications into web and mobile media. Attend the live webcast > and join the prime developer group breaking into this new coding territory! > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 > _______________________________________________ > Hardhats-members mailing list > Hardhats-members at lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/hardhats-members
