I think either you could use an attribute read/write format

http://developer.apple.com/legacy/mac/library/#documentation/WebObjects/UsingEOModeler/4WorkingWithAttributes/WorkingWithAttributes.html%23//apple_ref/doc/uid/TP30001018-CH204-BABCHIIF

Or you could model a custom boolean prototype using ERAttributeExtension.

Ramsey

On Mar 19, 2011, at 5:44 AM, Markus Ruggiero wrote:

> 
> On 16.03.2011, at 14:53, Markus Ruggiero wrote:
> 
>> I have a (Oracle) table where boolean attributes are defined as char(1) with 
>> possible values "Y", "N", or NULL (is equivalent to "N"). Due to 3rd party 
>> apps I cannot change the database to char(5) and use the standard modelling 
>> technique of toString() and valueOf() with Strings "true" and "false" in the 
>> DB. How can I model such an attribute  in a D2W compliant way? I have tried 
>> the following: rename the attribute in EOModel to "publishedYN" but leave 
>> the column name "published" and added published() and setPublished() to the 
>> business logic. This works and I can e.g. use ERD2WCustomeQueryBoolean in my 
>> query page configuration. However when I click query I get the following 
>> exception:
>> 
>> java.lang.IllegalStateException: sqlStringForKeyValueQualifier: attempt to 
>> generate SQL for com.webobjects.eocontrol.EOKeyValueQualifier (publish = 
>> (java.lang.Boolean)'false') failed because attribute identified by key 
>> 'publish' was not reachable from from entity 'TechdocType'
>> 
>> Yes, there is no such attribute and thus the crash makes sense. How can I 
>> fix this? Any ideas? Unfortunately it is not possible to extend 
>> java.lang.Boolean
>> 
> 
> Nobody? Really? Someone must have had the same or a similar issue! How did 
> you solve this?
> 
> Oh well, I seem to have found the ultimate not-yet-solved-issue(TM)
> 
> Fun to you and have a great weekend
> ---markus---
> 
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