Yes there is a FactType class which represents the class (like a dynabean) and it has helper method to get at values etc. Sent from my phone. On 17/10/2009, at 9:28 AM, leif hanack <leif.hanack(a)hypoport.de&gt; wrote: > Hi, > since Drools 5 it is possible to define a dynamic variable holder by > using the declare notation. This feature is really cool. > I can create easily helper rules, that calculate temporary values: > > File: calculate_total_amount.drl > > declare TotalAmount >  amount : Money > end > > rule "calculate total amount" >  when >   .. >  then >   TotalAmount totalAmount = new TotalAmount(); >   totalAmount.setAmount($calculatedAmount); >   insert(totalAmount); > end > > Inside another file I use this helper. > > File: another_rule.drl > > rule "another rule" >  when >   TotalAmount( amount > 1000) >  then >    // do s.th. > end > > I unit test my rule by querying a fact and verify my assertions. This > works fine, as long as the fact is a class of my factmodel. > Now my question: Is there a way to query a declared class (in this > case TotalAmount) > > I tried it with some variations but without success: > > import my.package.of.the.rule; > query "get total amount" >  amount : TotalAmount() > end > > I thought that a declare is compiled to a class, but I can not find it > in the generated classes. > Did you have any help? > > An alternative might be to create a holder class. S.th. like that > > rule "calculate total amount" >  .. >  then >   TotalAmount totalAmount = new TotalAmount(); >   totalAmount.setAmount($calculatedAmount); >   insert(totalAmount); >   Holder holder = new Holder(); >   holder.setObject(totalAmount); >   insert(holder); > end > > > import my.package.holder; > query "get holder" >  holder : Holder() > end > > Thanks in advance, Leif > _______________________________________________ > rules-dev mailing list > rules-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-dev

So the fact referred in the query is a declared fact type which is in another DRL? Queries are the same as rules underneath, just with no traditional RHS - so it should work if it can see the declared type. You can check that by changing it to a rule, and having the RHS add the results to a global list (that is a common pattern for returning results as well). On Sun, Oct 18, 2009 at 7:49 AM, Michael Neale <michael.neale(a)gmail.com&gt; wrote: > Yes there is a FactType class which represents the class (like a dynabean) > and it has helper method to get at values etc. > > Sent from my phone. > > On 17/10/2009, at 9:28 AM, leif hanack <leif.hanack(a)hypoport.de&gt; wrote: > >> Hi, >> since Drools 5 it is possible to define a dynamic variable holder by >> using the declare notation. This feature is really cool. >> I can create easily helper rules, that calculate temporary values: >> >> File: calculate_total_amount.drl >> >> declare TotalAmount >>  amount : Money >> end >> >> rule "calculate total amount" >>  when >>   .. >>  then >>   TotalAmount totalAmount = new TotalAmount(); >>   totalAmount.setAmount($calculatedAmount); >>   insert(totalAmount); >> end >> >> Inside another file I use this helper. >> >> File: another_rule.drl >> >> rule "another rule" >>  when >>   TotalAmount( amount > 1000) >>  then >>    // do s.th. >> end >> >> I unit test my rule by querying a fact and verify my assertions. This >> works fine, as long as the fact is a class of my factmodel. >> Now my question: Is there a way to query a declared class (in this >> case TotalAmount) >> >> I tried it with some variations but without success: >> >> import my.package.of.the.rule; >> query "get total amount" >>  amount : TotalAmount() >> end >> >> I thought that a declare is compiled to a class, but I can not find it >> in the generated classes. >> Did you have any help? >> >> An alternative might be to create a holder class. S.th. like that >> >> rule "calculate total amount" >>  .. >>  then >>   TotalAmount totalAmount = new TotalAmount(); >>   totalAmount.setAmount($calculatedAmount); >>   insert(totalAmount); >>   Holder holder = new Holder(); >>   holder.setObject(totalAmount); >>   insert(holder); >> end >> >> >> import my.package.holder; >> query "get holder" >>  holder : Holder() >> end >> >> Thanks in advance, Leif >> _______________________________________________ >> rules-dev mailing list >> rules-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-dev > -- Michael D Neale home: www.michaelneale.net blog: michaelneale.blogspot.com