The rule is capable of locating two different facts of type PlaceHolder because you wrote it that way: one is supposed to have a field value equal to 1, and the other one equal to 2. (Clearly, there cannot be one fact where value equals 1 and 2 at the same time.) Drools (and other rule-based systems) wouldn't be worth a farthing if they weren't able to do that ;-) -W On 7/3/09, balachandra maddina <chandu2708(a)gmail.com&gt; wrote: > Hi There, > > Im wondering weather the Following rule would work properly, > > rule "abc" > > when > > a : PlaceHolder(value == 1) > b : PlaceHolder(value == 2) > > then > System.out.println("print"); > ......................... > workingmemory.insert(placeholderobject1); > workingmemory.insert(placeholderobject2); > workingmemory.fireAllRules(); > .......................................... > > when i tried, the code is working fine, but How can the rule here is able > to diffirentiate between two facts of same type? any help would be very much > appriciated. > > Thank you, > bala. > > _______________________________________________ > 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