hi Andrew, thanks for your reply, you answer makes alot of sense and makes me believe that i misunderstood the discussions:
fyi, here is the link i was referring to (sorry should have posted it before): http://www.chapter31.com/2007/06/14/using-variablesinstance-inside-your-components/ thanks for clearing this up Andrew richard >I am not to sure that makes sense to me.. > >Variables are private to that object, so I am not sure what you are trying >to say. In the example you have provided, variables.instance is and should >be used to identify that the instance has been created. The singleton >pattern, so in your example and in my opinion variables.instance would be >available to the extended if it is only setup there, but if you tried to >instantiate the parent there would be no such variable. > >So this would be done by the parent in your example, so the child would know >if it needs to be instantiated or if it has already been done so via the >parent. That role should be left to the parent to take care off. > >But I guess without knowing the full history of the debate, the example >provided makes no sense to me at the moment. Now if I was to guess, I am >thinking that these people don't understand the singleton or new object >patterns. Because regardless of the objects name, the variable is private to >that object. > >So if I have a bike class, and 2 wheel classes each would just check their >own instance variable to check. to see if it has been instantiated or not. >In the case of the wheels class they would be actually seperate instances >and not singleton patterns, so you would need to accommodate something like >that. > > > > > > >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;203748912;27390454;j Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:312485 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
