[rules-users] Rule using accumulate

[Wolfgang Laun]

If the age of Offers is so important it ought to be represented as
fact data. If it cannot be added to the Offer itself, a proxy fact
could be created, combining a counter with an Offer reference. A high
salience rule for an Offer without OfferProxy would create this.

-W

On Mon, Apr 26, 2010 at 9:43 PM, Andres Corvetto <acorvetto at gmail.com> wrote:
>
> Thank you for your reply!
> I understand your approach, and I think it could work if Offers were
> inserted into the working memory after the Bid.
> However, to implement your approach for already inserted Offers I think I
> would need some way of forcing the matching Offer to be the oldest in
> memory, is that possible?
> The rule would be something like:
>
> rule "Match Offer"
>        when
>                $b : PartiallyCoveredBid(uncoveredSize>0, $p:price)
>                $o : Offer(price<$p. alreadyUsed==false, [this is the oldest Offer in
> memory with these conditions])
>        then
>            [ add Offer $o to Bid $b]
> end
>
> Thanks again
>       Andrés
> --
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>
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