Re: [rules-users] global as link to DB: different results

I thought use of the "from" keyword allowed you to reason over facts (potentially) not in WM. I believe the OP's example is mentioned in the docs? sent on the move On 31 Oct 2011 15:08, "Wolfgang Laun" <wolfgang.laun(a)gmail.com&gt; wrote: > Globals cannot to be used - directly or indirectly - as objects that > should trigger > the firing of rules. It is only insert, modify or update, and retract > that cause (re-)evaluation of LHS conditions. > > -W > > On 31 October 2011 15:05, elsdestickere <elsdestickere(a)yahoo.com&gt; wrote: > >> Hi, >> >> I read docs about global and Hibernate to access your DB from the rules. >> I tried something simular for in memory DAO's. >> But some rules fire ("WM" in RHS) as the DAO has 3 items, but others >> ("dao" >> in LHS) don't, how is that possible? >> >> global RepositoryFactory repFact; >> rule "dao" >> when >> k : Customer( ) from repFact.getCustomerRepository().findAll(); >> then >> System.out.println( "Drools "+drools.getRule().getName()+": " >> +k.getName()); >> end >> rule "WM" >> when >> k : Customer( ) ; >> then >> System.out.println( "Drools "+drools.getRule().getName()+": " >> +k.getName()+" + size: >> "+repFact.getCustomerRepository().findAll().size()); >> end >> ... >> RepositoryFactory repFact = Registry.getRepositoryFactory(); >> ksession.setGlobal("repFact", repFact); >> ... >> CustomerRepository customerRepo = Registry.getRepositoryFactory() >> .getCustomerRepository(); >> customerRepo.add(tom); >> customerRepo.add(elise); >> customerRepo.add(bert); >> ksession.insert(bert); >> ksession.fireAllRules(); >> >> ... >> Output: >> Drools WM: Bert + size: 3 >> >> br, >> Els >> >> >> -- >> View this message in context: >> http://drools.46999.n3.nabble.com/global-as-link-to-DB-different-results-... >> Sent from the Drools: User forum mailing list archive at Nabble.com. >> _______________________________________________ >> 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