--- Victor Mote <[EMAIL PROTECTED]> wrote: > > > > Relations in controller-class approach: > > manager<-->A, manager<-->B, manager<-->C, > > manager<-->D, > > manager<-->customer > > > > In pipeline approach (theoretical, may not work in > > FOP's case): > > manager<-->A<-->B<-->C<-->D<-->customer > > > > Since were talking about a computer program here, > the cost of A bringing the > ingredients to me and me taking them to B is exactly > the same (or darn > close) as the cost of A delivering it directly to B. > The benefit is that I > can (if I want to), send half of the ingredients to > P and half to Q instead > of sending all of them to B. Or I can have B send me > a bit of the dough as > it is made instead of waiting for the whole batch to > be completed. Or I can > move the ingredient-buying section of my warehouse > to a different country or > planet. >
Not to belabor the point, but all of the above is business logic, which can be supported by either model. A computer program is deterministic--that coded decision to send half to P and half to Q (instead of B) based on various coded circumstances can be placed within the manager or within A. Glen __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
