Is it possible to define a boolean as a checkbox at Model layer of JDev?

We are very new to JDeveloper and are using JHeadstart. We are a 'forte' shop and are converting our applications over to JDeveloper/JHeadstart. Our current system has a number of Boolean columns in our Oracle tables that are defined as Number(1) but are used as Booleans and displayed as checkboxes.
For example the column "discontinued" is in every edit table we have and keeps historical reference to values that are no longer used. I am wondering if it is possible at the Model layer to define all of these so that they are generated through JHeadstart to display as checkboxes. This is done at the BusinessModel layer in forte and allows us to define this in one spot and everything generated is based on that definition.
In JDeveloper, this is currently being done at the JHeadstart Application Definition each and every time one of these tables is used, but I was wondering if it can be done through the Control Hints level in the Model Layer so that it is done once (similar to forte) and have been looking at editting the formatinfo.xml file as a possible solution. Has anyone else done this? I have searched this forum and found a couple of things wrt title bindings, but not this specifically. Can this be done?
Thanks very much in advance.
Mary B
University of Windsor

I did some poking around and I believe I found what you were looking for. It can most easily be illustrated in the form of a screen capture - as a picture can save my fingers a thousand words...
http://cs.uwindsor.ca/~ruston7/checkboxdefn.png
This should be all the information anyone needs to know in order to implement the same set up in their own ADF Business Components.
Notes:
- 'DOMAIN' refers to the static domain I have defined throughout my JHeadstart applications to properly map the check box to yes/no (ref: JHeadstart Dev Guide for details).
- I am not sure what READ_ONLY_IN_TABLE is referring too. I am quite positive that this field is editable pretty much anywhere for this specific ViewObject.

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