Sure...glad to help. Dan
On Jun 22, 2011, at 8:30 AM, Dan Wilson wrote: > Hey Dan, > > That's a great explanation. Do you mind if I add some of your post to the FAQ > section on the Wiki? > > > DW > > On Tue, Jun 21, 2011 at 9:29 PM, Dan Skaggs <[email protected]> > wrote: > Couple of things here: > > 1) Passing your entire populated model object to the view (via the ModelGlue > event object) is perfectly fine. There's no reason to break out all the > object's properties into separate values in the event. > > 2) ModelGlue controllers are created once on application init (or when you > manually reinit the app) and cached. Therefore, yes, the controller objects > are in effect singletons for the application. > > 3) Instead of doing <cfset variables.item ...>, you should do <cfset var item > = createObject(.....) />. Using variables.item actually would set the object > into the global memory space for the controller component (which would be bad > as that value is then cached as part of the controller singleton--see #2). > Using the "var" keyword on a variable inside a function body ensures that the > variable only exists for that execution of the function (therefore it can't > be stored and bleed over into other requests that execute that same > function). The variable is discarded after the function completes executing. > > 4) Using the var keyword has nothing to do with the user session--they are 2 > completely different ideas. > > 5) There's no need to cfparam the url.uuid. ModelGlue automatically puts all > URL and form variables into the event object for you to make it easy for you > to find them. You just need to get the value out of the event when you need > it (see below). Should uuid not exist in the event, ModelGlue will return you > an empty string. You can optionally set a default value to use in case the > variable doesn't exist in the event (see > http://docs.model-glue.com/wiki/ReferenceMaterials/EventApi#GetValuename:stringdefault:any > for more information). > > Try updating your controller component as such: > > <cfcomponent output="false" extends="ModelGlue.gesture.controller.Controller"> > > <cffunction name="view" access="public"> > <cfargument name="event" /> > > <cfset var uuid = arguments.event.getValue( "uuid" ) /> > <cfset var item = CreateObject("component", "model.item") /> > <cfset var status = "" /> > > <cfinvoke component="#item#" > method = "get" > returnvariable = "status" > uuid = "#uuid#" > > > > <cfset arguments.event.setValue("item", item) /> > > </cffunction> > </cfcomponent> > > Additionally, while there's nothing wrong technically with using a <cfinvoke> > there, you could shorten that up like so: > > <cffunction name="view" access="public"> > <cfargument name="event" /> > > <cfset var item = CreateObject("component", "model.item") /> > > <cfset item.get( uuid = arguments.event.getValue( "uuid" ) ) /> > > <cfset arguments.event.setValue("item", item) /> > > </cffunction> > </cfcomponent> > > Hope that helps clarify things a bit. If there's something you don't > understand, be sure to ping us back. > > Dan > > On Jun 21, 2011, at 8:09 PM, Brettski wrote: > > > And should I scope like > > > > <cfset Variables.item = CreateObject("component", "model.item")> > > .. > > <cfset arguments.event.setValue("item", Variables.myItem) /> > > > > > > On Jun 22, 11:01 am, Brettski <[email protected]> wrote: > >> the model bits and pieces are all used in the view, am I thinking > >> wrong to pass all this back to view? What else should I pass back a > >> struct or something? > >> > >> My vars aren't scoped, so does this mean there is one controller > >> "instance / singleton" for the app, and if I don't scope them they can > >> bleed? I think that's if I scope all vars they will stay in user > >> session? > >> > >> On Jun 22, 9:55 am, Roy Martin <[email protected]> wrote: > >> > >> > >> > >> > >> > >> > >> > >>> Off the cuff, you haven't var scoped your 'item' variable or your return > >>> variable 'status'. So those variable will be subject to variable bleed > >>> under > >>> load. As an additional point of feedback, passing the entire model back to > >>> the view isn't best practice. It would be better if you had passed just > >>> the > >>> return variable back to the model. Unless that's a typo? > >> > >>> Thanks, > >>> Roy > > > > -- > > Model-Glue Sites: > > Home Page: http://www.model-glue.com > > Documentation: http://docs.model-glue.com > > Bug Tracker: http://bugs.model-glue.com > > Blog: http://www.model-glue.com/blog > > > > You received this message because you are subscribed to the Google > > Groups "model-glue" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > > http://groups.google.com/group/model-glue?hl=en > > -- > Model-Glue Sites: > Home Page: http://www.model-glue.com > Documentation: http://docs.model-glue.com > Bug Tracker: http://bugs.model-glue.com > Blog: http://www.model-glue.com/blog > > You received this message because you are subscribed to the Google > Groups "model-glue" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/model-glue?hl=en > > > > -- > Plutarch - "The mind is not a vessel to be filled but a fire to be kindled." > > -- > Model-Glue Sites: > Home Page: http://www.model-glue.com > Documentation: http://docs.model-glue.com > Bug Tracker: http://bugs.model-glue.com > Blog: http://www.model-glue.com/blog > > You received this message because you are subscribed to the Google > Groups "model-glue" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/model-glue?hl=en -- Model-Glue Sites: Home Page: http://www.model-glue.com Documentation: http://docs.model-glue.com Bug Tracker: http://bugs.model-glue.com Blog: http://www.model-glue.com/blog You received this message because you are subscribed to the Google Groups "model-glue" group. 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