QuackFuzed [ Ramblings of a Con..ColdFuzed Mind ]

Learning CF9: Implicit Getters and Setters

Posted on October 18, 2009 at 2:50 PM in ColdFusion

One of the (many) really nice features of CF9 is the addition of implicit getters and setters for CFCs. While I love having a concrete API, I am learning to love this idea more and more because of the saved keystrokes.

Housekeeping

Before we go any further, let me go ahead and say it:

Yes, I know that in the purest form, what CF9 calls "implicit getters and setters" is not actually accurate. However, for the sake of simplicity and continuity with the CF9 documentation, I am going to use the term "implicit". If you don't like it, get over it.

What Implicit Getter/Setter Does

According to the CF9 docs...

"By default, properties that you specify by using the <cfproperty> tag have implicit setPropertyName and getPropertyName methods that access the PropertyName property in the CFC variables scope."

Translation: If you have the following...

1. <cfproperty name="Foo" />

... CF9 will automatically generate the following two methods for you:

1. <cffunction name="getFoo">
2. <cfreturn variables.foo />
3. </cffunction>
4. <cffunction name="setFoo">
5. <cfargument name="foo" />
6. <cfset variables.foo = arguments.foo />
7. </cffunction>

However, the documentation is wrong. Perhaps "wrong" is too strong a word, but the docs are certainly inaccurate and incomplete. In order to actually get CF9 to behave in this manner, you must also add the 'accessors' attribute to your <cfcomponent> tag.

1. <cfcomponent accessors="true">

With this in place, CF9 will now generate the get/set{Property} methods for you on properties that you have defined with <cfproperty>.

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