[rules-users] decision tables and default rules for case when part of LHS failes for other rules

[Nirmal]

If condition 1 column is left blank, this could be achieved.

On Tue, Jul 12, 2011 at 11:56 AM, Syargey <Syargey at tut.by> wrote:

> Hi all,
>
> I have been asked to add default rules to a decision table.
>
> We have a decision table with several conditions. Data from first two
> columns are passed to action with binded variables. The action collects
> data
> from all passed rules.
>
> -------------------------------------
> condition 1 | condition 2 | ... | action
> -------------------------------------
>  AAA         | AD            | ... |  X
> -------------------------------------
>  BBB          | AD            | ... |  X
> -------------------------------------
>  BBB          | AE            | ... |  X
> -------------------------------------
>  BBB          | CC            | ... |  X
> -------------------------------------
>  CCC         | AD            | ... |  X
> -------------------------------------
>  DDD         | AD            | ... |  X
> -------------------------------------
>  BBB          | AE            | ... |  X
> -------------------------------------
>  ...            | ...            | ... |  X
> -------------------------------------
>
> Recently business asked me if it is possible to have default rules (rows)
> in
> the table if there is not any rule passing condition 1.
>
> -------------------------------------
>  DEFAULT   | AD            | ... |  X
> -------------------------------------
>  DEFAULT   | AE            | ... |  X
> -------------------------------------
>
> Is it possible to have rules in decision table those can be fired only if a
> specific part of LHS never occurs in others rules?
>
>
> Thanks in advance,
>
> Syargey
>
> --
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