three points:
1)
Jay Gibb >> under what conditions do you find yourself using UDFs?
Barney Boisvert >>Very rarely.
what about data manip function libraries, re-usable validation routines, etc? we
convert (almost) all of our queries to arrays'o'structs. It would be madness to have
the same util functions within every CFC. We use 3) below to do this. See if you can
track down Robin Hilliards "autobean" framework that does this in (IMHO) quite a cute
way.
2) mind the difference between cfimport (aka "cftaglib") and cfinclude. The way the
variable scopes interact is a factor to consider between them. Not always relavent but
it can bite you in the bum...
To show that cfinclude within a CFC's method is do-able, check out this data access
method in the fourQ framework within FarCry CMS.
<cffunction name="getData" access="public" output="false" returntype="struct"
hint="Get data for a specific objectid and return as a structure,
including array properties and typename.">
<cfargument name="objectid" type="uuid" required="true">
<cfargument name="dsn" type="string" required="false"
default="#application.dsn#">
<cfargument name="dbowner" type="string" required="false"
default="#ucase(application.dbowner)#">
<cfset var stObj = structNew()>
<cfset var qgetData = "">
<cfset var tablename = "">
<cfset var aProps = "">
<cfset var key = "">
<cfinclude template="_fourq/getData.cfm">
<cfset this.bgetData = 1>
<cfreturn stObj>
</cffunction>
3) more and more people are creating persistant (app or server scope) central or
"kernel" CFC's (singletons - only one instanciated) that have their utils available at
all times. You could also "decorate" your CFC's with the util ones (a "has a"
relationship)
just a thought or two
cheers
barry.b
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