[rules-users] Need help with Decision Table Conditions

[Wolfgang Laun]

I would not use I / DESCRIPTION for these reasons:

   - it's not parameterized, and I think you don't want to repeat the
   @Meta(...) for every rule, you just want the argument
   - you can use only one I column, since the 2nd one silently overwrites
   the 1st one, so you'll have to squeeze multiple @s into one cell
   - it is an undocumented feature, and the name would suggest that it was
   intended for providing a comment

Adding a proper metadata column type is simple, given what is available from
other column types.

-W

2011/1/10 Tihomir Surdilovic <tsurdilo at redhat.com>

>  Hi Jason,
> for fact types and attributes you should be able to reuse the Functions
> keyword in the RuleSet section of your sheet, for example:
>
> -----------------------------------------------
> | Functions | declare Person @author( Bob ) ......... end |
> -----------------------------------------------
>
> For rule attributes you can reuse the "I" keyword as the cell header and
> add the attributes, for example:
>
> -------------------------------------------------
> |RuleTable Sample|
> |                               |
> -------------------------------------------------
> |     Condition       |            I              |
> Action            |
> -------------------------------------------------
> | $p : Person        |                           |
>        |
> -------------------------------------------------
> | name==$param|                           |
> |
> -------------------------------------------------
> |   SomeName       | @author( Bob )   |      System.out.....    |
> -------------------------------------------------
>
> Neither are optimal, but just workarounds. If you raise a Jira, I can put
> on todo list.
> Hope this helps.
>
> Thanks.
> Tihomir
>
> On 1/7/11 9:35 PM, Jason Mihalick wrote:
>
> Tihomir, Do you know if decision tables support metadata<http://downloads.jboss.com/drools/docs/5.1.1.34858.FINAL/drools-expert/html_single/index.html#d0e3368>?
>
> ------------------------------
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>
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