If it's stored in a fact field of type int: yes. The way you write it: no.
-W On 25 March 2011 18:37, Benson Fung <[email protected]> wrote: > If the age is String type, can I use Integer.parseInt(age) to change > to integer and then evaluate it? > > like > > when > ad : ApplicationData(Integer.parseInt(age) < 0) > then > ad.setReturnMsg("age should not be negative 0") > end > > > > > 2011/3/26 Wolfgang Laun <[email protected]>: > > Sorry, I don't use guided editors. > > -W > > > > On 25 March 2011 18:17, Benson Fung <[email protected]> wrote: > >> > >> Hi Wolfgang, > >> > >> I managed to author this rule(ApplicationData( age == null || age == > >> "" )) via Technical Rules editor of BRMS. > >> However, I cannot create this rule via Business Rule Guided Editor of > >> BRMS. > >> > >> Could you let me know how? > >> > >> > >> Thanks > >> > >> > >> > >> 2011/3/26 Wolfgang Laun <[email protected]>: > >> > You can't use a method call as the left hand side operand in a > >> > constraint; > >> > thus > >> > age.size() == 0 > >> > is not correct. > >> > > >> > Do you really mean > >> > age == "null" > >> > > >> > Probably > >> > ApplicationData( age == null || age == "" ) > >> > is the right thing to do, provided that ApplicationData.age is a > String. > >> > > >> > -W > >> > > >> > On 25 March 2011 17:32, Benson Fung <[email protected]> wrote: > >> >> > >> >> Hi, > >> >> > >> >> I got the following rule problem. > >> >> > >> >> The rule is like : > >> >> > >> >> 1. | rule "Rule1" > >> >> 2. | dialect "mvel" > >> >> 3. | when > >> >> 4. | ad : ApplicationData( age == "null" , > >> >> age.size() > >> >> == 0) > >> >> 5. | then > >> >> 6. | ad.setReturnMsg( "age should not be null or > >> >> empty" > >> >> ); > >> >> 7. | end > >> >> > >> >> where setReturnMsg is a method of ApplicationData Fact(); > >> >> > >> >> However, I got the validation error : > >> >> > >> >> [Rule1] [ERR 101] Line 4:49 no viable alternative at input ')' in > rule > >> >> "Rule1" in pattern ApplicationData > >> >> [Rule1] [ERR 102] Line 4:51 mismatched input '==' expecting ')' in > >> >> rule "Rule1" in pattern ApplicationData > >> >> > >> >> Please help what the problem is. > >> >> > >> >> > >> >> Thanks > >> >> _______________________________________________ > >> >> rules-users mailing list > >> >> [email protected] > >> >> https://lists.jboss.org/mailman/listinfo/rules-users > >> > > >> > > >> > _______________________________________________ > >> > rules-users mailing list > >> > [email protected] > >> > https://lists.jboss.org/mailman/listinfo/rules-users > >> > > >> > > >> > >> _______________________________________________ > >> rules-users mailing list > >> [email protected] > >> https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > _______________________________________________ > > rules-users mailing list > > [email protected] > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users >
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