Re: [rules-users] Convert logic to DRL rules

300 | TotalOrderNumber > 2 ) | (some other logic)

Bill, The way of doing that is using connective constraints as explained by Steven previously: $a : Person(age > 35 | < 25, zipCode == 23546 | == 68590) This is a new feature that only works in 3.1M1 and later versions. []s Edson Bill Zhang wrote: > Hi Steven, > > Yes I thought of that but our business user says this is unacceptable > unless I can write a parser to automatically generate all these > combinations. > > The example I use is quite simple. Our business user have quite > complex logic expressions (imagin my example plus a lot of parenthesis > to build up multiple level logic) already built using Pascal like > language and it is not easy to do. > > Thanks, > > Ye > > On 2/19/07, Steven Williams <stevenw(a)objectconsulting.com.au&gt; wrote: > >> Hi Bill, >> >> To implement your rules in 3.0.5 you would need to implement a rule for >> each combination of age and zipCode. >> >> $a : Person(age > 35 zipCode == 23546) >> then >> $a.setStatus("KT"); >> >> $a : Person(age < 25, zipCode == 23546 ) >> then >> $a.setStatus("KT"); >> >> $a : Person(age > 35, zipCode == 68590) >> then >> $a.setStatus("KT"); >> >> etc.. >> >> Steve >> >> >> On 2/19/07, Bill Zhang <billzhang2006(a)gmail.com&gt; wrote: >> > So Alex, if I only want to use the old syntax that is in production, >> > there is no way to implement my seemingly simple logic conditioning? >> > >> > Thanks for your help. >> > >> > On 2/18/07, Alexander Varakin < avarakin(a)optonline.net&gt; wrote: >> > > As far as I know this syntax is new and is available in SVN only, >> you >> > > will have to wait till 3.1 is released or take source from SVN >> and build >> it. >> > > >> > > Bill Zhang wrote: >> > > > Hi Steven, >> > > > >> > > > Thank you very much for your help. Really appreciate. >> > > > >> > > > I still got the same error, Unexpected token '|'. I did not see >> "|" in >> > > > the document, only saw "||", which is supposed to be used with >> > > > columns. >> > > > >> > > > Ye >> > > > >> > > > On 2/18/07, Steven Williams < stevenw(a)objectconsulting.com.au&gt; >> wrote: >> > > >> Hi Bill, >> > > >> >> > > >> I think it should be: >> > > >> >> > > >> $a : Person(age > 35 | < 25, zipCode == 23546 | == 68590) >> > > >> >> > > >> Edson, Mark or Michael can probably confirm or correct the above >> syntax. >> > > >> >> > > >> Make sure you are running of the latest trunk. >> > > >> >> > > >> cheers >> > > >> Steve >> > > >> >> > > >> >> > > >> On 2/18/07, Bill Zhang <billzhang2006(a)gmail.com&gt; wrote: >> > > >> > >> > > >> > I tried: >> > > >> > >> > > >> > $a : Person(age > 35 || age < 25, zipCode == 23546 || == 68590) >> > > >> > >> > > >> > Errors: >> > > >> > org.drools.rule.InvalidRulePackage : unknown:39:30 >> > > >> Unexpected token '||' >> > > >> > unknown:39:40 mismatched token: >> > > >> [@246,1040:1041='<=',<47>,39:40]; >> > > >> > expecting type '(' >> > > >> > unknown:39:92 mismatched token: >> > > >> [@258,1092:1092='<',<46>,39:92]; >> > > >> > expecting type '(' >> > > >> > >> > > >> > I also tried >> > > >> > >> > > >> > $a : Person(age > 35 | age < 25, zipCode == 23546 | == 68590) >> > > >> > >> > > >> > Pretty much the same error. >> > > >> > >> > > >> > Based on the document, "||" is only valid for columns... >> > > >> > >> > > >> > >> > > >> > On 2/17/07, Bill Zhang <billzhang2006(a)gmail.com&gt; wrote: >> > > >> > > Thank you Steve. But I got syntax error using the following. >> > > >> > > >> > > >> > > On 2/17/07, Steven Williams <stevenw(a)objectconsulting.com.au&gt; >> wrote: >> > > >> > > > In trunk I think you can use connective constraints: >> > > >> > > > >> > > >> > > > $a : Person(age > 35 | < 25, zipCode == 23546 | == 68590) >> > > >> > > > then >> > > >> > > > $a.setStatus("KT"); >> > > >> > > > >> > > >> > > > >> > > >> > > > >> > > >> > > > >> > > >> > > > On 2/18/07, Bill Zhang < billzhang2006(a)gmail.com&gt; wrote: >> > > >> > > > > >> > > >> > > > > Hello, >> > > >> > > > > >> > > >> > > > > I am a new Drools user trying to convert the following >> simple >> > > >> logic >> > > >> into >> > > >> > > > DRL: >> > > >> > > > > >> > > >> > > > > IF (Person.Age > 35 OR Person.Age < 25) AND >> (Person.ZipCode = >> > > >> 23546 >> > > >> or >> > > >> > > > > Person.ZipCode = 68590) >> > > >> > > > > THEN >> > > >> > > > > Person.Status = "KT"; >> > > >> > > > > >> > > >> > > > > I found that it is not easy to convert the above logic >> into >> > > >> ONE DRL >> > > >> rule. >> > > >> > > > > >> > > >> > > > > I tried something like this >> > > >> > > > > >> > > >> > > > > when >> > > >> > > > > $a: Person(age>35) or Person (age<25) >> > > >> > > > > $b: Person(Zipcode==23456) or Person (ZipCode == 68590) >> > > >> > > > > $c: $a and $b >> > > >> > > > > Then >> > > >> > > > > $c.setStatus("KT") >> > > >> > > > > >> > > >> > > > > But looks like I can not use >> > > >> > > > > $c: $a and $b >> > > >> > > > > becaue in Drools, you can only bind variable to >> column, not >> > > >> to other >> > > >> > > > varaibles. >> > > >> > > > > >> > > >> > > > > Please advise how to do this. I would imagine this >> should be >> > > >> quite >> > > >> > > > > simple, maybe I missed something quite obvious. >> > > >> > > > > >> > > >> > > > > I know that I can write custom Java method to do this, >> but if >> > > >> I do >> > > >> > > > > that, I suppose I lose the power of RETEOO pattern >> matching >> > > >> (pattern >> > > >> > > > resuing, >> > > >> > > > > etc.). So I prefer not to do that. >> > > >> > > > > >> > > >> > > > > I also understand I can break the above logic into 4 >> rules >> > > >> and that >> > > >> > > > > would be quite easy, but our business user is not used to >> > > >> think in >> > > >> > > > > that way. Also, we have more complex logic than the >> above. So >> > > >> what I >> > > >> > > > > want is to see if there is a way to convert this >> > > >> > > > > kind of logic in ONE DRL rule. >> > > >> > > > > >> > > >> > > > > Thanks in advance. >> > > >> > > > > >> > > >> > > > > Bill >> > > >> > > > > >> _______________________________________________ >> > > >> > > > > rules-users mailing list >> > > >> > > > > rules-users(a)lists.jboss.org >> > > >> > > > > >> > > >> https://lists.jboss.org/mailman/listinfo/rules-users >> > > >> > > > > >> > > >> > > > >> > > >> > > > >> > > >> > > > >> > > >> > > > -- >> > > >> > > > Steven Williams >> > > >> > > > >> > > >> > > > Supervising Consultant >> > > >> > > > >> > > >> > > > Object Consulting >> > > >> > > > Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501 >> > > >> > > > stevenw(a)objectconsulting.com.au >> > > >> > > > www.objectconsulting.com.au >> > > >> > > > >> > > >> > > > consulting | development | training | support >> > > >> > > > our experience makes the difference >> > > >> > > > >> _______________________________________________ >> > > >> > > > 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 >> > > >> > >> > > >> >> > > >> >> > > >> >> > > >> -- >> > > >> Steven Williams >> > > >> >> > > >> Supervising Consultant >> > > >> >> > > >> Object Consulting >> > > >> Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501 >> > > >> stevenw(a)objectconsulting.com.au >> > > >> www.objectconsulting.com.au >> > > >> >> > > >> consulting | development | training | support >> > > >> our experience makes the difference >> > > >> _______________________________________________ >> > > >> 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 >> > > > >> > > >> > > _______________________________________________ >> > > 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 >> > >> >> >> >> -- >> Steven Williams >> >> Supervising Consultant >> >> Object Consulting >> Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501 >> stevenw(a)objectconsulting.com.au >> www.objectconsulting.com.au >> >> consulting | development | training | support >> our experience makes the difference >> _______________________________________________ >> 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 > -- Edson Tirelli Software Engineer - JBoss Rules Core Developer Office: +55 11 3124-6000 Mobile: +55 11 9218-4151 JBoss, a division of Red Hat @ www.jboss.com _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users