Well, this explains it - you'll have to find the selecting combination of $posPnlAmt and $attibAmtType in a unique way, assuming there is just one such combination. -W 2011/4/7 Dwipin C <dwipin.c(a)tcs.com&gt; > > Without the accumulate function, following is the fire occurrence- > > $position : Position() - 2 > $posScn : PositionScenario(scenario == 'SCEN-EOD', position == $position ) - 2 ( with all above facts) > $posScnGrp : PositionScenarioCurrencyGroup(positionScenario == $posScn, currencyType == CurrencyTypes.TRANSACTIONAL) - 2 ( with all above facts) > $posPnlAmt : PositionPnlAmount(pnlAmountType == "DTD", positionScenarioCurrencyGroup == $posScnGrp) - 3 ( with all above facts) > > $attibAmtType : AttributionAmountType(attributionAmountType == "UNEXPLAINED/RESIDUALPNL") - 2 (just this fact) > > All of them together without the accumulate fires it 6 times. > > > Dwipin > > > > From: Wolfgang Laun <wolfgang.laun(a)gmail.com&gt; > To: Rules Users List <rules-users(a)lists.jboss.org&gt; > Date: 04/07/2011 01:16 PM > Subject: Re: [rules-users] Help with Accumulate function > Sent by: rules-users-bounces(a)lists.jboss.org > ________________________________ > > > Repeated firing may be due to there being more than one scope for accumulating > the sum, as selected by the patterns leading up to the accumulate. > > If you take only the patterns preceding the accumulate - how often does this fire and for which elements? You need a single combination of $posPnlAm and $attibAmtType. > > -W > > > On 7 April 2011 08:44, dwipin <dwipin.c(a)tcs.com&gt; wrote: > Hi, >  I am having trouble implementing this rule with the accumulate function. > My rule requirement is - > Aggregate all PnlAttributionAmounts with a type of "UNEXPLAINED" for all > Positions for a given day. > > Below is the code I have for this - > > $position : Position(date == $currDate) > $posScn : PositionScenario(scenario == 'SCEN-EOD', position == $position ) > $posScnGrp : PositionScenarioCurrencyGroup(positionScenario == $posScn, > currencyType == CurrencyTypes.TRANSACTIONAL) > $posPnlAmt : PositionPnlAmount(pnlAmountType == "DTD", > positionScenarioCurrencyGroup == $posScnGrp) > $attibAmtType : AttributionAmountType(attributionAmountType == > "UNEXPLAINED/RESIDUALPNL") > > $totalPnlAttibAmt : BigDecimal() >        from accumulate( >                PositionPnlAttributionAmount(positionPnlAmount == > $posPnlAmt, attributionAmountType == $attibAmtType, $pnlAttibAmt : > financialValue) >                ,sum($pnlAttibAmt) >        ) > > eval ($totalPnlAttibAmt > 1000) > > When I do it this way, the rule gets executed 6 times, basically for every > fact that evaluated to true. How do I restrict this? The rule should be > executed only if the final eval results in true. > > Thanks for any help, > Dwipin. > > > -- > View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Help-with-Accumulate-... > Sent from the Drools - User mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > > =====-----=====-----===== > Notice: The information contained in this e-mail > message and/or attachments to it may contain > confidential or privileged information. If you are > not the intended recipient, any dissemination, use, > review, distribution, printing or copying of the > information contained in this e-mail message > and/or attachments to it are strictly prohibited. If > you have received this communication in error, > please notify us by reply e-mail or telephone and > immediately and permanently delete the message > and any attachments. Thank you > > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >