which is located at 
http://www.beynon.org.uk/index.cfm?mode=entry&entry=03672E35-C5D0-F70D-926C2D567BF20686

john.


On Apr 7, 2005 7:57 PM, Sean Corfield <[EMAIL PROTECTED]> wrote:
> 
> On Apr 7, 2005 11:27 AM, Ali Awan <[EMAIL PROTECTED]> wrote:
> > -----myGlobals.cfm----
> > <!-- Not sure if I should be locking this. But I think in MX you don't 
> need
> > to.-->
> 
> You need to lock for race conditions - which could occur for complex
> initializations.
> 
> > <cfif NOT StructKeyExists(application,"appInitialized")>
> > <cfset application.appInitialized = 0>
> > </cfif>
> 
> This is not really very useful. You might just as well test for the
> application key directly in the circuit:
> 
> > --- circuit.xml.cfm (in the controller folder)----
> > <!-- before I define all my fuseactions, here's where I instantiate the
> > components only once. Thereafter in my fuseactions I can <invoke> any of
> > these components, as long as I reference them as "
> application.componentName"
> > in the object parameter".
> > <prefuseaction>
> > <if condition="application.appInitialized EQ 0">
> 
> <if condition="not structKeyExists(application,'appInitialized')">
> 
> And you *should* lock the initialization. In fact you really need this:
> 
> if not initialized
> lock
> if not initialized
> do the initialization
> set the initialized flag
> /if
> /lock
> /if
> 
> The if-lock-if is required to avoid race conditions. You can't lock in
> circuit.xml without using John Beynon's jb.lock lexicon.
> --
> Sean A Corfield -- http://corfield.org/
> Team Fusebox -- http://fusebox.org/
> Got Gmail? -- I have 50, yes 50, invites to give away!
> 
> "If you're not annoying somebody, you're not really alive."
> -- Margaret Atwood
> 
> 

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