On 10/1/07, Jean-Sebastien Delfino <[EMAIL PROTECTED]> wrote:
>
> ant elder wrote:
> > On 9/27/07, Jean-Sebastien Delfino <[EMAIL PROTECTED]> wrote:
> >
> > <snip>
> >
> >
> >> Why all the static and abstract methods? Is there a reason SCADomain
> >>
> >>>> couldn't just be an interface with a separate SCADomainFactory for
> >>>> creating
> >>>> instances?
> >>>>
> >>>>
> >>> I don't know. A factory works for me.
> >>>
> >> +1 for making SCADomain an interface
> >>
> >> +1 for having a factory
> >>
> >> So instead of:
> >> SCADomain domain = SCADomain.newInstance(...)
> >>
> >> We'll have:
> >> SCADomainFactory domainFactory;
> >> SCADomain domain = domainFactory.createSCADomain(domainURI)
> >>
> >> Now how do people would like to the get factory? a pretty common
> pattern
> >> is:
> >> SCADomainFactory domainFactory = SCADomainFactory.newInstance(...)
> >>
> >> Is there a better pattern?
> >>
> >> Does that answer the question about "why the static and abstract
> >> methods"? :)
> >>
> >
> >
> > The question wasn't so much about why use static and abstract methods
> but
> > why they were all munged into the one SCADomain class, now that its
> accepted
> > that is better to have a separate SCADomain interface i think its fine
> to
> > keep the static and abstract methods on the SCADomainFactory as that
> keeps
> > the API simple to use. So this code:
> >
> > SCADomainFactory domainFactory = SCADomainFactory.newInstance();
> > SCADomain domain = domainFactory.createSCADomain("
> > http://mydomain:7890/asmalldomain";);
> >
> > could be simplified to:
> >
> > SCADomain domain = SCADomainFactory.createSCADomain("
> > http://mydomain:7890/asmalldomain";);
> >
> > ...ant
> >
> >
>
> Can you help me understand:
> - how people will be able to plug-in different factories?
> - how to pass the factory to use? I'm not sure I understand how it'll be
> possible with createSCADomain() being a static method.
>
> Thanks
>
> --
> Jean-Sebastien
Um, it would just work similarly to the current SCADomain class, the impl of
any other static methods can still call newInstance so can still plug in
different factories.
...ant
