That’s what an activation-group does. The first rule (with the highest salience) fires, the others are cancelled. Out of interest, what’s the game? Something online we can look at? I have an interest in games development for Drools, and have been slowly adding examples. Space invaders was my latest one: https://www.youtube.com/watch?v=wORlAZoxttA https://github.com/droolsjbpm/drools/tree/master/drools-examples/src/main... Mark On 6 May 2014, at 23:12, Jan Šťastný <newohybat(a)gmail.com&gt; wrote: > Hi, > I came across in my view strange behaviour of rules defined with > activation-group and salience. I use this combination to set the > priority of exclusively fired rules "Democracy City Tiles Production" > and "Basic City Tiles Production". > Their definitions: > rule "Democracy City Tiles Production" > dialect "mvel" > ruleflow-group "manageProductions" > activation-group "cityProduction" > salience 5 > when > PlayerDTO($owner:id, government=="democracy") > $city:CityDTO( > owner==$owner > ,$cityId:id > ,$managedTiles:managedTiles > ) > accumulate( > TileDTO ( > id memberOf $managedTiles > ,$foodProd:foodProduction > ,$resourcesProd:resourcesProduction > ,$tradeProd:tradeProduction > ) > @watch(foodProduction,resourcesProduction,tradeProduction) > ,$sumFood : sum($foodProd) > ,$sumResources : sum($resourcesProd) > ,$sumTrade : > sum(($tradeProd<1)?$tradeProd:($tradeProd+1)) > ) > UpdateCityProduction(cityId==$cityId) > then > modify($city){ > setFoodProduction($sumFood) > ,setResourcesProduction($sumResources) > ,setTradeProduction($sumTrade) > } > end > > and > > rule "Basic City Tiles Production" > dialect "mvel" > ruleflow-group "manageProductions" > activation-group "cityProduction" > when > PlayerDTO($owner:id) > $city:CityDTO( > owner==$owner > ,$cityId:id > ,$managedTiles:managedTiles > ) > accumulate( > TileDTO ( > id memberOf $managedTiles > ,$foodProd:foodProduction > ,$resourcesProd:resourcesProduction > ,$tradeProd:tradeProduction > ) > @watch(foodProduction,resourcesProduction,tradeProduction) > ,$sumFood : sum($foodProd) > ,$sumResources : sum($resourcesProd) > ,$sumTrade : sum($tradeProd) > ) > UpdateCityProduction(cityId==$cityId) > then > modify($city){ > setFoodProduction($sumFood) > ,setResourcesProduction($sumResources) > ,setTradeProduction($sumTrade) > } > end > > But problem occurs when two CityDTO objects are in the session. I would > like to fire one rule for each CityDTO, but the activation-group cancels > all the activations after first is fired. So only one activation in > place of two fires. Here is the log: > > ==>[BeforeActivationFiredEvent: getActivation()=[[ Democracy City Tiles > Production active=false ] [ [fact > 0:12:36803987:36803987:12:DEFAULT:NON_TRAIT:UpdateCityProduction( > cityId=5 )] > [fact > 0:16:2083264739:2083264739:16:null:NON_TRAIT:[Ljava.lang.Object;@7c2c18e3] > [fact 0:11:792938926:966:11:DEFAULT:NON_TRAIT:CityDTO [id=5, > name=marefy, cityCentre=null, owner=1, improvements=[], > currentImprovement=null, enabledImprovements=[], homeUnits=[], > currentUnit=null, enabledUnitTypes=[], tradeRoutes=[], managedTiles=[1, > 2], size=5, weLoveDay=false, disorder=false, foodProduction=0, > foodConsumption=0, foodSurplus=0, foodStock=0, resourcesProduction=0, > resourcesConsumption=0, resourcesSurplus=null, tradeProduction=0, > corruption=0, luxuriesAmount=0, luxuriesSpent=0, taxesAmount=0, > researchAmount=0, peopleHappy=2, peopleUnhappy=1, peopleContent=1, > peopleEntertainers=0, peopleTaxmen=1, peopleScientists=0, > pollutionChance=0, improvementsUpkeep=0, unitsSupport=0]] > [fact 0:9:1762763035:99463566:9:DEFAULT:NON_TRAIT:PlayerDTO [id=1, > name=honza, government=democracy, enabledGovernments=null, > currentAdvance=null, advances=null, enabledAdvances=null, treasury=0, > research=0, researchSpent=null, turnsAvailable=null, luxuriesRatio=0, > taxesRatio=0, researchRatio=0]] ] ], > getKnowledgeRuntime()=org.drools.core.impl.StatefulKnowledgeSessionImpl@6a5b07f2] > ==>[ActivationCancelledEvent: getCause()=CLEAR, getActivation()=[[ Basic > City Tiles Production active=false ] [ [fact > 0:15:807492131:807492131:15:null:NON_TRAIT:[Ljava.lang.Object;@30215a23] > [fact 0:11:792938926:966:11:DEFAULT:NON_TRAIT:CityDTO [id=5, > name=marefy, cityCentre=null, owner=1, improvements=[], > currentImprovement=null, enabledImprovements=[], homeUnits=[], > currentUnit=null, enabledUnitTypes=[], tradeRoutes=[], managedTiles=[1, > 2], size=5, weLoveDay=false, disorder=false, foodProduction=0, > foodConsumption=0, foodSurplus=0, foodStock=0, resourcesProduction=0, > resourcesConsumption=0, resourcesSurplus=null, tradeProduction=0, > corruption=0, luxuriesAmount=0, luxuriesSpent=0, taxesAmount=0, > researchAmount=0, peopleHappy=2, peopleUnhappy=1, peopleContent=1, > peopleEntertainers=0, peopleTaxmen=1, peopleScientists=0, > pollutionChance=0, improvementsUpkeep=0, unitsSupport=0]] > [fact 0:12:36803987:36803987:12:DEFAULT:NON_TRAIT:UpdateCityProduction( > cityId=5 )] ] ], > getKnowledgeRuntime()=org.drools.core.impl.StatefulKnowledgeSessionImpl@6a5b07f2] > ==>[ActivationCancelledEvent: getCause()=CLEAR, getActivation()=[[ Basic > City Tiles Production active=false ] [ [fact > 0:23:833001332:833001332:23:null:NON_TRAIT:[Ljava.lang.Object;@31a69774] > [fact 0:18:1816369501:968:18:DEFAULT:NON_TRAIT:CityDTO [id=7, name=Brno, > cityCentre=null, owner=1, improvements=[], currentImprovement=null, > enabledImprovements=[], homeUnits=[], currentUnit=null, > enabledUnitTypes=[], tradeRoutes=[], managedTiles=[3, 4], size=1, > weLoveDay=false, disorder=false, foodProduction=0, foodConsumption=0, > foodSurplus=0, foodStock=0, resourcesProduction=0, > resourcesConsumption=0, resourcesSurplus=null, tradeProduction=0, > corruption=0, luxuriesAmount=0, luxuriesSpent=0, taxesAmount=0, > researchAmount=0, peopleHappy=0, peopleUnhappy=0, peopleContent=1, > peopleEntertainers=0, peopleTaxmen=0, peopleScientists=0, > pollutionChance=0, improvementsUpkeep=0, unitsSupport=0]] > [fact > 0:20:1314789527:1314789527:20:DEFAULT:NON_TRAIT:UpdateCityProduction( > cityId=7 )] ] ], > getKnowledgeRuntime()=org.drools.core.impl.StatefulKnowledgeSessionImpl@6a5b07f2] > ==>[ActivationCancelledEvent: getCause()=CLEAR, getActivation()=[[ > Democracy City Tiles Production active=false ] [ [fact > 0:20:1314789527:1314789527:20:DEFAULT:NON_TRAIT:UpdateCityProduction( > cityId=7 )] > [fact > 0:19:1857434733:1857434733:19:null:NON_TRAIT:[Ljava.lang.Object;@6eb6346d] > [fact 0:18:1816369501:968:18:DEFAULT:NON_TRAIT:CityDTO [id=7, name=Brno, > cityCentre=null, owner=1, improvements=[], currentImprovement=null, > enabledImprovements=[], homeUnits=[], currentUnit=null, > enabledUnitTypes=[], tradeRoutes=[], managedTiles=[3, 4], size=1, > weLoveDay=false, disorder=false, foodProduction=0, foodConsumption=0, > foodSurplus=0, foodStock=0, resourcesProduction=0, > resourcesConsumption=0, resourcesSurplus=null, tradeProduction=0, > corruption=0, luxuriesAmount=0, luxuriesSpent=0, taxesAmount=0, > researchAmount=0, peopleHappy=0, peopleUnhappy=0, peopleContent=1, > peopleEntertainers=0, peopleTaxmen=0, peopleScientists=0, > pollutionChance=0, improvementsUpkeep=0, unitsSupport=0]] > [fact 0:9:1762763035:99463566:9:DEFAULT:NON_TRAIT:PlayerDTO [id=1, > name=honza, government=democracy, enabledGovernments=null, > currentAdvance=null, advances=null, enabledAdvances=null, treasury=0, > research=0, researchSpent=null, turnsAvailable=null, luxuriesRatio=0, > taxesRatio=0, researchRatio=0]] ] ], > getKnowledgeRuntime()=org.drools.core.impl.StatefulKnowledgeSessionImpl@6a5b07f2] > > > Is it a bug? > Thanks > Jan > _______________________________________________ > 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