Why are you writing it using Drools? Will you also have a lot of other rules in your system? If the answer is no, you may want to go another route.
If the answer is yes, I would suggest contraining the No of purchase so there are no overlapping ranges, i.e. No Pens Purchased >=10, >=5 < 10, and >=2 and < 5. Also, have a summary or some other object that the LHS matches, then the RHS of these rules updates to subtract the number required for a free item. On Tue, Jan 27, 2009 at 9:41 AM, niraj manandhar <regni...@gmail.com> wrote: > > > > Dear Sir > Thanks for the answer by the way is there any way to slove my free item > problem . > > I want to make a decison table in excel where my client will fill in the > item and free item list as > > > Purchased ITem No of purchase Free Item > No of free > ========================================================== > Pen 2 > Rubber 1 > Pen 5 > Pencil 1 > Pen 10 > Pencil 3 > Pen 12 > Pencil 4 > Ink bottle 3 > Sticker 1 > Ink bottle 5 > Sticker 2 > Ink Bottle 10 > Sticker 5 > > > When a customer buys 19 pen then > his free item will be > 4 pencil (due to first 12 pens) > 5 pencil (due to remaining 5 pens) > 1 rubber (due to 2 pens) > > I have been trying to write the rule and fit into excel since from 1 week > but due to my limited knowledge of drl and decision tables in excel it is > taking a lot of time than writing code with lookup table and JAVA if else > > Please help me to slove this riddle > > > > Thanks > Niraj > > > > > > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > >
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