[rules-users] Writing a rule to find a fact that has a minimum value

[Esteban Aliverti]

rule 'Smallest city'
when
   $smallCity: City()
   not City(population < $smallCity.population)
then
   System.out.println("This is the smallest city: "+$smallCity);
end

Best Regards,


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Esteban Aliverti
- Blog @ http://ilesteban.wordpress.com


On Wed, Dec 19, 2012 at 4:20 PM, David R Robison <
drrobison at openroadsconsulting.com> wrote:

> I want to write a rule that will select a fact that has the minimum
> value for an attribute. For example, find the city that has the minimum
> population. How would I write such a rule? David
>
> --
>
> David R Robison
> Open Roads Consulting, Inc.
> 103 Watson Road, Chesapeake, VA 23320
> phone: (757) 546-3401
> e-mail: drrobison at openroadsconsulting.com
> web: http://openroadsconsulting.com
> blog: http://therobe.blogspot.com
> book:
> http://www.xulonpress.com/bookstore/bookdetail.php?PB_ISBN=9781597816526
>
>
>
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