[rules-users] Re-usability of rules

[Wolfgang Laun]

Why not use

  when
     TaxPayer( $addrList : addressList )
     Address( zipCode == null) from $addrList
 then
     // report missing zip code because: if it is null, it is not
invalid - just missing ;-)
 end

-W

On 05/09/2012, Michael Anstis <michael.anstis at gmail.com> wrote:
> If your rules look something like this:-
>
> when
>     Address( zipCode == null )
> then
>     //Report an invalid zipCode
> end
>
> You will need to extract the Address from the TaxPayer:-
>
> when
>     TaxPayer( $a : address )
> then
>     insert( $a );
> end
>
> You will need to consider how to correlate the Address with the TaxPayer
> (to know which TaxPayer has an invalid Address).
>
> On 5 September 2012 09:50, Suvek <suvek.shah at gmail.com> wrote:
>
>> Hi,
>>
>> I have set of rules defined for Address validation.
>> How do I reuse these rules when the Taxpayer object is passed in as fact
>> which contains Address as one of the field (list to be precise)?
>> Do I somehow need to extract and add addresses to working memory within
>> the
>> drl file?
>>
>> thanks
>> S.
>>
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://drools.46999.n3.nabble.com/Re-usability-of-rules-tp4019580.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
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>