Re: [rules-users] Custom operator

-----Original Message----- From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users- bounces(a)lists.jboss.org] On Behalf Of Edson Tirelli Sent: 25 October 2010 14:58 To: Rules Users List Subject: Re: [rules-users] Custom operator If you look at the implementation of one of the existing operators (e.g. MatchesEvaluatorDefinition) you will see this in the beginning of the class: public static final Operator MATCHES = Operator.addOperatorToRegistry( "matches", false ); Do the same on your own implementations and it should be fine. Edson 2010/10/25 Bruno Freudensprung <bruno.freudensprung(a)temis.com&gt;: > > Hello, > > It seems that the logic behind the "operator" drop-down list comes from > the > "org.drools.ide.common.client.modeldriven.SuggestionCompletionEngine" > and "org.drools.eclipse.rulebuilder.modeldriven.HumanReadable" classes. > That's for the "rule authoring" perspective. > I've also seen that the business rule editor involves the DrlParser > class. So, in a "rule parsing" perspective, I guess I need to find a way > to register my custom operator into the EvaluatorRegistry used by the > Eclipse plugin (and I don't know where this can be done). > > Do you think I am on the right track? Is there a risk that code > modifications will involve so many classes that, in the end, adding a > custom operator to the business rule editor will be a difficult task for > someone very new to Drools (like me)? > > Thanks in advance, > Best regards, > > Bruno. > > Bruno Freudensprung a écrit : >> Hello, >> >> I'd like to implement a custom "lucenematches" operator that would >> enable writing conditions like: >> $d : Doc(text lucenematches "(foo AND bar) OR roam~0.8") >> >> As I've taken a look at the following post on athico >> (http://blog.athico.com/2009/05/imperfect-evaluations.html), and seen >> that the appendix B of the "Drools JBoss Rules 5.0 Developer's Guide" >> book that deals with custom operators, I am rather confident that I will >> find my way in implementing my operator (if not, I'll post here again :-)). >> >> However, I wonder if it will be possible to add my "lucenematches" >> operator to the "operator" drop-down list of the Eclipse's Business Rule >> Editor. >> Does anyone have an idea? >> >> Best regards, >> >> Bruno. >> _______________________________________________ >> 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 JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users