[Chicago-talk] 2 subclasses or Multiple inheritance
Young, Aaron
Aaron.Young at citadelgroup.com
Tue Mar 23 10:17:16 CST 2004
subclass
subclass
subclass
I really really really believe this will work for you
trust me, i mean no harm
Aaron F Young
Broker Reconciliation
Operations & Portfolio Finance
Citadel Investment Group LLC
> -----Original Message-----
> From: me at heyjay.com [mailto:me at heyjay.com]
> Sent: Tuesday, March 23, 2004 9:26 AM
> To: Chicago.pm chatter
> Subject: Re: [Chicago-talk] 2 subclasses or Multiple inheritance
>
>
> Thats sorta like what I'm doing. But it seems that each of the
> "trademodule"s should be built with the same interface, and
> ideally share
> some code (if possible)
>
> Jay
> ----- Original Message -----
> From: "Steven Lembark" <lembark at wrkhors.com>
> To: "Chicago.pm chatter" <chicago-talk at mail.pm.org>
> Sent: Sunday, March 21, 2004 6:05 AM
> Subject: Re: [Chicago-talk] 2 subclasses or Multiple inheritance
>
>
> >
> >
> > -- Jay Strauss <me at heyjay.com>
> >
> > > I have a class which connects to Ameritrade (broker), and
> I have another
> > > class which connects to InteractiveBrokers. Both of
> these classes have
> > > methods quote, connect, disconnect. The class for
> InteractiveBrokers
> has
> > > a bunch of others too. While the method names are the same their
> > > implementation is totally different, as are their
> required input parms.
> > >
> > > The classes don't share any of the same code, and I don't see them
> sharing
> > > any/much in the future.
> > >
> > > I'd like to be able to plug in other brokers as necessary.
> > >
> > > So my question is, do I make a base class like "broker" and make a
> > > Ameritrade and InteractiveBrokers that inherit from
> broker, or do a make
> a
> > > broker that inherits from Ameritrade and InteractiveBrokers?
> >
> > You don't. If the dispatching object has a "tradermodule"
> > object stored it in you can use
> >
> > $dispatcher->{tradermodule}->foobar( args )
> >
> > to handle any tradermodule you prefer. You can populate the
> dispatcher
> > entry with a classname initially then use:
> >
> > $dispatcher->{tradermodule} =
> $dispatcher->{tradermodule}->initialize;
> >
> > to get an object.
> >
> > --
> > Steven Lembark 2930 W. Palmer
> > Workhorse Computing Chicago, IL 60647
> > +1 888 359 3508
> > _______________________________________________
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> > Chicago-talk at mail.pm.org
> > http://mail.pm.org/mailman/listinfo/chicago-talk
> >
> >
>
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