[rules-users] List of valid values

[Chris Selwyn]

  Any takers on my question below... Or have I answered my own question?

Chris

On 17/10/2010 16:51, Chris Selwyn wrote:
> I am developing a set of rules around validating messages in a B2B
> messaging environment and I would like to have my rules builders have
> control of the valid set of values for a particular field preferably
> without creating a new fact model.
>
> Since I am working in a B2B messaging world, I can see how to define an
> enumeration in an XSD and how to access those in the Guvnor to create a
> dropdown menu.
> I can also see how to define a set of enumeration values in the Guvnor
> which uses a hardcoded set of values to define the legal values for
> populating a dropdown menu.
> I can even see how to have the dropdown menu populated from a Java
> class. The class appears to have to be on the classpath of the
> application... It is not good enough to make it be part of the jar that
> contains the fact model. This means that the set of legal values is part
> of the "technical" domain rather than the "business" domain. I guess I
> can always have the class load the values from a database, properties
> file or some such but that means a separate place to store the values.
>
> However, I feel that I would like to have the set of valid values be
> part of what is accessible and configurable through the Guvnor.
>
> Is there somewhere I can store the set as an artefact in Guvnor and be
> accessible at runtime for me to do the check with?
> Or should I just code the values into a set in a function?
>
> Chris Selwyn
>
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