Properties of the component no longer exist.

I have a component called: Event.cfc

Long story short, I have init() it by issuing a command like:

< cfset eventObject = new 'COM Event' () / >

This component has 2 properties: data (structure) and the name (a string).

The init() method calls a private method:

< cfset VARIABLES.setName (VARIABLES.getAttribute ('event')) / >

The setName() method is implicit, ColdFusion based it based on the name attribute.  I manually created the getAttribute() method which works with the property data.  In the getAttribute() method, I have a command that reads:

< cfset LOCAL.retVar = VARIABLES.data [ARGUMENTS.attributeName] / >

Well, SEE repeats that "data" do not exist in the VARIABLES.  But I thought that the properties that have been defined in a component have been updated with the scope of VARIABLES.  So how this variable can exist when I set it at the top of the Event.cfc component as a < cfcomponent >?

Aegis,

The new CF10 docs , it looks like does not work quite as you thought:

Its use

You must position cfcomponent tags at the beginning of a component, above the executable code and function definitions. If a component is not used as a web service, only provides information to the property metadata. Set variables or defines the values you can use in your component. However, it creates implicit setters and getters for the property in the CFC if getter/setter attributes are enabled.

See the part I put in italics, it does not define the variables.  You need to add a Pseudo-constructeur to create the variables before the init() method.

Not necessarily related, but I noticed something.  In your init() method you have this:

On a newly created object, the data variable will be empty then call your getAttribute() method returns nothing (and possibly error since there will be a struct of 'event' inside the variable 'data' key).

In addition, on the methods inside your component, you need not call them with the 'VARIABLES' scope prefix.

-Carl V.

Tags: ColdFusion

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