Thanks Teddy. Yeah, I purchased *Object Oriented ColdFusion* and a raft of other books & videos for myself for Christmas. It's on short list now.
On Fri, Dec 31, 2010 at 12:45 PM, Teddy R. Payne <teddyrpa...@gmail.com>wrote: > Phillip, > In your example, I see that you initialize your Answer object with a > local structure from onApplicationStart. If this is the only place > where your DSN is referenced or passed around, it seems it would work > pretty straight forward as intended. > > If you wanted to use your DSN information elsewhere, you may want to > create an object in your application scope that would hold your DSN > information and then pass that around. This can definitely be > considered a starting point of creating configuration objects and > could lead you into dependency injection ideas (e.g. ColdSpring). > > A good website I found on this idea is here: > > http://www.objectorientedcoldfusion.org/wiki/Gateway > > In the above website, they start a nice way to reference a gateway > (data access queries mostly) and pass a data source object into the > component. Now, you can adapt the form save to have a similar > approach without much effort. > > Just an idea and not a criticism or saying your approach is incorrect. > Just something I have been looking into for some ideas as I move away > from DAO(s) in favor of Gateways for smaller solution sets that do not > have external interfaces. > > > Teddy R. Payne, ACCFD > Google Talk - teddyrpa...@gmail.com > > > > > On Fri, Dec 31, 2010 at 12:10 PM, Phillip Senn <phillips...@gmail.com> > wrote: > > In recent days, I've actually experimented and had success just passing > in a > > structure and using it in the component. > > I actually call the argument that was passed into function "form". > > Not to be confused with the form structure, but it's name was inspired by > me > > passing in the form structure from the calling page. > > I said to myself, "self, why don't you just keep it the same name?" > > > > Answer.cfc: > > <cfcomponent> > > <cffunction name="Init"> > > <cfargument name="form"> > > <cfset Variables.Datasource = form.Datasource> > > <cfset Variables.Username = form.Username> > > <cfset Variables.Password = form.Password> > > <cfreturn this> > > </cffunction> > > <cffunction name="Save"> > > <cfargument name="form"> > > <cfquery datasource="#Variables.Datasource#" > username="#Variables.Username#" > > password="#Variables.Password#"> > > Update myTable SET > > myAnswer = <cfqueryparam cfsqltype="cf_sql_integer" > value="#form.myAnswer#"> > > WHERE AnswerID = <cfqueryparam cfsqltype="cf_sql_integer" > > value="#form.AnswerID#"> > > </cfquery> > > </cffunction> > > Application.cfc: > > <cffunction name="onApplicationStart" output="False" returntype="void"> > > <cfset var local = {}> > > <cfset local.Datasource = "myServer"> > > <cfset local.UserName = "xxx"> > > <cfset local.Password = "xxx"> > > <cfset Application.Answer = > > CreateObject("component","com.Answer").Init(local)> > > </cffunction> > > Finally, on the page itself: > > Answer.cfm > > <cfif StructKeyExists(form,"UpdateAnswer")> > > <cfset Application.Answer.Save(form)> > > </cfif> > > <cfform> > > <input name="myAnswer"> > > <input name="AnswerID" type="hidden"> > > <input name="UpdateAnswer" type="submit" value="Update"> > > </cfform> > > > > On Thu, Dec 30, 2010 at 5:05 PM, Charlie Stell <charlie.st...@gmail.com> > > wrote: > >> > >> Say you have the following abc.cfc : > >> <cfcomponent> > >> ... > >> <cffunction name="x"> > >> <cfargument name="a"> > >> <cfargument name="b"> > >> <cfargument name="c"> > >> <cfargument name="d"> > >> ... > >> </cffunction> > >> ... > >> </component> > >> > >> Ang you going to invoke in from somewhere else. Depending on the > >> situation, sometimes you'll have different combinations of the arguments > >> (for example maybe your using the same function to run some user search > for > >> both a simple and advanced mode) . Using argumentCollection, you can > avoid > >> the hassle of having to pass in blank values so that the positioning is > >> right - you would doing something like: > >> <cfset i = structnew()> > >> <cfif simple_case> > >> <cfset i["a"] = form_imput_A> > >> <cfelse> > >> <cfset i["b"] = form_imput_B> > >> <cfset i["c"] = form_imput_C> > >> <cfset i["d"] = form_imput_D> > >> </cfif> > >> <cfset results = > >> createobject("component","path_to_cfc.abc").x(argumentCollection=i)> > >> That certainly isn't an in depth example... but hope it helps some! > >> > >> On Thu, Dec 30, 2010 at 4:52 PM, Matthew Nicholson > >> <matthew.nichol...@soltech.net> wrote: > >>> > >>> Afternoon All! > >>> > >>> > >>> > >>> Here’s my basic dilemma. I’m enhancing a CF application that needs a > >>> whole lot of TLC. With that, I’m attempting to redesign a few aspects > of the > >>> application to use components to keep with good design principles. > >>> > >>> > >>> > >>> Now, I think I’m being exceptionally thick headed but I can’t for the > >>> life of me figure a way to pass as argumentCollection into my component > and > >>> then utilize its information. > >>> > >>> > >>> > >>> Does anyone have a good resource or tutorial on how to do this? I’ve > >>> found plenty that talk of using the argumentCollection but none of them > >>> illustrate it’s use within the component. > >>> > >>> > >>> > >>> Thank you very much for your time and expertise! > >>> > >>> > >>> > >>> Matthew R. Nicholson > >>> > >>> SolTech, Inc. > >>> > >>> Cell: 770-833-5326 > >>> > >>> www.soltech.net > >>> > >>> To find what you seek in the road of life, the best proverb of all is > >>> that which says: "Leave no stone unturned." > >>> ~Edward Bulwer Lytton > >>> > >>> > >>> > >>> ------------------------------------------------------------- > >>> To unsubscribe from this list, manage your profile @ > >>> http://www.acfug.org?fa=login.edituserform > >>> > >>> For more info, see http://www.acfug.org/mailinglists > >>> Archive @ http://www.mail-archive.com/discussion%40acfug.org/ > >>> List hosted by FusionLink > >>> ------------------------------------------------------------- > > > > > > > ------------------------------------------------------------- > To unsubscribe from this list, manage your profile @ > http://www.acfug.org?falogin.edituserform > > For more info, see http://www.acfug.org/mailinglists > Archive @ http://www.mail-archive.com/discussion%40acfug.org/ > List hosted by http://www.fusionlink.com > ------------------------------------------------------------- > > > >
