Hi Ken,
The standard answer around here is "if you want OO, use Java or CFObjects."
BUT...
I have recently adapted a large FuseBox app (around 4000 fuses) so that I
could create multiple near-clones which could inherit almost all
functionality from the master.
In effect, I have the apps inheriting Fuses (not FuseActions). XFB makes
this very simple. All you do is make the location of every Fuse a variable.
Then you use normal XFB variable inheritance and overriding to set the
location of your fuses.
So, I have a home app, which has a complete set of fuses. In myGlobals, I
set a variable for the location of each fuse, pointing to the appropriate
fuse in the master app.
My clones are circuit apps, which MAY contain nothing but index.cfm,
circuits.cfm and myGlobals.cfm. Index.cfm is copied from the master app.
myGlobals overrides the locations of any fuses which need to be
customised, but inherits the vast majority of the fuse locations from the
home app.
A typical fuseaction, therefore, looks like this:
<CFCASE VALUE="productDetail">
<CFINCLUDE TEMPLATE="#request.qry_product_fuse#">
<CFINCLUDE TEMPLATE="#request.dsp_product_fuse#">
</CFCASE>
The qry_ fuse is normally inherited from the master, but the dsp_ fuse uses
a customised version specific to this clone (ie circuit). In practice, it's
usually the dsp_ fuses that get overridden.
Now I know this is a pretty out-there technique, but I couldn't think of an
easier way to roll-out hundreds (yippee!!) copies of a large application,
while still allowing unrestricted customisations.
Anyway, it's working like a dream. I can roll out customised clones, but
continue to enhance/maintain the master application, and see my changes get
propogated through all of the clones. Normal common-sense rules apply here
of course ;-)
Is that any help?
Lee Bjork Borkman
>From: Ken Beard <[EMAIL PROTECTED]>
>
>cfset in the app_locals/app_globals (myGlobals, whatever) provides for
>inheritance and overriding properties... but what about inheritance and
>overriding of methods (fuseactions)? any good ideas on how?
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