[rules-users] having counter in drl

[Steven Williams]

Globals should only be used for data that is constant over the life of the
working memory, which is not so in your case.

Maybe you should just use a fact counter. If you don't want to affect your
code you could insert it in a separate rule.

when
then


On Tue, Dec 9, 2008 at 9:05 AM, techy <techluver007 at gmail.com> wrote:

>
> Hello,
> I would like to take 100 sampling facts for rule and persist it in the db
> and ignore other data.
> How Can I maintain the counter? as global variable? Please clarify with
> sample code.
> I tried following way and but it does not work as expected.
>
> Ex:
> global Integer counter;
> rule "get sampling data"
>   when fact : Foo(some condition) && eval(counter <= 100)
>   then
>    counter++
>   // do some condition
> end
> --
> View this message in context:
> http://www.nabble.com/having-counter-in-drl-tp20904469p20904469.html
> Sent from the drools - user mailing list archive at Nabble.com.
>
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Steven Williams

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