http://permalink.gmane.org/gmane.comp.java.drools.user hourly 1 1901-01-01T00:00+00:00 http://gmane.org/img/gmane-25t.png http://gmane.org http://permalink.gmane.org/gmane.comp.java.drools.user/13156 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Zhang Jing-A52198 2008-12-03T23:51:53 http://permalink.gmane.org/gmane.comp.java.drools.user/13155 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Knapp, Barry 2008-12-03T17:19:29 http://permalink.gmane.org/gmane.comp.java.drools.user/13154 Edson, Thanks for your response. I will try your suggestions as well try (again) to upgrade to M3. Having said that I am somewhat opposed to frameworks that require "special" setup and require the users to specify classloaders. To me if I understand what the container is doing with respect to classloading/classloaders than that should be enough. I shouldn't be doing anything in code to circumvent that or alter the behavior of the container. So just a little more detail on my particular use case: I have created a plug-in that contains all the Drools libraries. This is the rules engine plug-in. Developers will be creating rules and rule flows and those will be contained obviously in their own plug-ins. They may be developing new java beans or be using existing java beans from our middle-tier services. So the facts inserted into working memory could come from any plugin(any number of different classloaders in essence). Each plug-in has its own classloader. Obviously the rules engine as an IOC container ne keithnielsen 2008-12-03T17:04:26 http://permalink.gmane.org/gmane.comp.java.drools.user/13153 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Kris Verlaenen 2008-12-03T16:52:04 http://permalink.gmane.org/gmane.comp.java.drools.user/13152 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Sascha 2008-12-03T16:49:13 http://permalink.gmane.org/gmane.comp.java.drools.user/13151 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Kris Verlaenen 2008-12-03T16:33:55 http://permalink.gmane.org/gmane.comp.java.drools.user/13150 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Edson Tirelli 2008-12-03T16:26:45 http://permalink.gmane.org/gmane.comp.java.drools.user/13149 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Edson Tirelli 2008-12-03T15:11:16 http://permalink.gmane.org/gmane.comp.java.drools.user/13148 Since my last post was so nicely hijacked I have started a new thread in the hopes that the Drools team can shed some light on this. My setup is as follows: 1) 2 plug-ins, one containing the drools libraries, and a second plugin containing the facts and the rule file. 2) The rules engine plugin has a buddy-policy of "registered" and the facts plugin has the rules engine plugin as a registered buddy. Here is the rule(although any fact that has field assignments fails) rule "Retrieve CID Presentation Model" ruleflow-group "RetrieveCID" when CIDPresentationModel($cidValue:cidValue,$cidExpirationDate:expirationDate) then boolean cidResult = cidService.verifyCIDIsValid($cidValue,$cidExpirationDate); CIDResult result = new CIDResult(cidResult); insert(result); System.out.println("Executing: Retrieve CID Presentation Model"); end Deep in the bowels of drools there is a call to Cla keithnielsen 2008-12-03T14:53:23 http://permalink.gmane.org/gmane.comp.java.drools.user/13147 Hi, I´m totally new to Drools and DRL. I want / (better words I must, because of my diploma thesis) to connect a couple of different software-applictions using Drools as logical middleware. First i want to translate some kind -like the following ones- of natural rules into DRL and I have no idea how to do this in correct way. Facts are - Order Order contain information about "creationDate" and "customerBelongingTo" - Customer Customer contains information (=days as int value) about "allowedTimePeriodWithoutNewIncomingOrder", on expiry of this time period this customer should me marked to inform a "Person" - Persons There are living persons(maybe) which are interested in "customersWithNoNewIncomingOrder". The should be informed by mail, etc. Please any idea to do this in best DRL way? Thanks Thorsten Trägenap _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Thorsten Trägenap 2008-12-03T14:01:51 http://permalink.gmane.org/gmane.comp.java.drools.user/13146 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Knapp, Barry 2008-12-03T13:14:13 http://permalink.gmane.org/gmane.comp.java.drools.user/13145 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Sascha 2008-12-03T12:31:40 http://permalink.gmane.org/gmane.comp.java.drools.user/13144 Hello, It seems that Drools 3 performs better for us (at least for now...) then Drools 4. Drools 5 was not yet tested. I'm wondering what is the most efficient method of implementing Drools 4 activation-group[1] feature using Drools 3 ? In my system, in order to complete the match session I'm using a combination of 2 rules one (and only one!) of them must pass so that the match will be successful. I would like to use a XOR between them and give higher salience to the first rule which is a light weight version of the second. My motivation is keep drools from evaluating the second more complex structure of the "heavy" rule as fast as possible. So, to summarize - How would you guys recommend implementing the XOR structure between 2 Multiplicative inverse rules ? Thank you, Maxim. [1] http://downloads.jboss.com/drools/docs/4.0.7.19894.GA/html_single/index.html#d0e3088 -- Cheers, Maxim Veksler "Free as in Freedom" - Do u GNU ? _______________________________________________ rules-users mailing list rule Maxim Veksler 2008-12-03T11:41:58 http://permalink.gmane.org/gmane.comp.java.drools.user/13143 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Sascha 2008-12-03T10:01:32 http://permalink.gmane.org/gmane.comp.java.drools.user/13142 Further testing shows that while the rules engine can locate facts from other plug-ins (facts located in the same plugin as the rules engine work fine, but not realistic to expect that all facts will be co-located in the same plugin), an attempt to reconstitute them using the ByteArrayClassloader will not work. Has anyone been successful using facts located in other plug-ins? I am using Drools 5.M2 with Eclipse 3.4. keithnielsen wrote: keithnielsen 2008-12-03T04:36:24 http://permalink.gmane.org/gmane.comp.java.drools.user/13141 It appears that the field assignment issues happen when the class is in a different plugin. If the class is in the same plugin as the rules engine it works fine, but the minute you try and use a class from a different plugin it chokes. keithnielsen wrote: keithnielsen 2008-12-03T00:00:27 http://permalink.gmane.org/gmane.comp.java.drools.user/13140 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Sascha 2008-12-02T22:59:57 http://permalink.gmane.org/gmane.comp.java.drools.user/13139 I have the following rule: rule "Retrieve CID Presentation Model" ruleflow-group "RetrieveCID" when CIDPresentationModel($cidValue:cidValue,$cidExpirationDate:expirationDate) then boolean cidResult = cidService.verifyCIDIsValid($cidValue,$cidExpirationDate); CIDResult result = new CIDResult(cidResult); insert(result); System.out.println("Executing: Retrieve CID Presentation Model"); end Deep in the bowels of drools there is a call to ClassFieldAccessorFactory.getClassFieldReader where it attempts to create a class using the byte array classloader, i.e. final Class<?> newClass = byteArrayClassLoader.defineClass(className, bytes,PROTECTION_DOMAIN). Its at this point that a NoClassDefFoundError on the BaseObjectClassFieldReader. two sources of the same class in the classpath or if there is some reference from the class resulting in the error to another class that can not be resolved. It only appears in situations where there is fields involved. It doesnt seem to matter how simple the object i keithnielsen 2008-12-02T22:14:53 http://permalink.gmane.org/gmane.comp.java.drools.user/13138 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Edson Tirelli 2008-12-02T21:37:33 http://permalink.gmane.org/gmane.comp.java.drools.user/13137 _______________________________________________ rules-users mailing list rules-users< at >lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users Michal Bali 2008-12-02T21:24:47 http://permalink.gmane.org/gmane.comp.java.drools.user/13136 Hello Mark, Is this a bug? techy wrote: techy 2008-12-02T18:57:41 Search the mailing list at Gmane query http://search.gmane.org/?group=$group=gmane.comp.java.drools.user