The variables scope, when used within a CFC, is a protected private
scope (only accessible from within the CFC). Within the head of your
object (after the cfcomponent tag, but prior to any functions) you may
have a block like this:
<cfscript>
variables.instance = structnew();
variables.instance.firstname = "";
variables.instance.lastname = "";
variables.instance.age = 0;
</cfscript>
Then you might have an init method like this:
<cffunction name="init" access="public" output="false"
returntype="person" hint="This initializes your person object">
<cfreturn this>
</cffunction>
You would then get or set the properties of your object using getter and
setter methods, which can access the private variables scope:
<cffunction name="setFirstName" access="public" output="false"
returntype="void" hint="Sets the firstname property of this instance">
<cfargument name="firstname" type="string" required="true"
hint="firstname to set in this instance of person">
<cfset variables.instance.firstname = arguments.firstname>
</cffunction>
<cffunction name="getFirstName" access="public" output="false"
returntype="string" hint="Returns the firstname of this person instance">
<cfreturn variables.instance.firstname>
</cffunction>
So, within your calling template you might have:
<cfset variables.personObj = createobject("component","person").init()>
After which, the following attempt to access it's properties would
fail/error:
#variables.personObj.firstname#
But using this would give you access:
#variables.personObj.getFirstName()#
Hope this helps:)
Cutter
_________
http://blog.cutterscrossing.com
Victor Moore wrote:
> Hi,
>
> I have seen in a number of examples the following:
>
> <cfset variables.myVar = arguments.someArg />
> any particular reason/advantage why the arguments are assigned to a local
> variable inside a cfc function instead of using it directly?
>
> Thanks
> Victor
>
>
>
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