Re: [rules-users] Facing Problem in BRL

This is the output that I get : //This is a package configuration file package com.rules; import com.model.PersonDetails; //Add imports, globals etc here which will be used by all the rule assets in this folder.rule "example" dialect "mvel" when $person : PersonDetails( age < "20" ) then $person.setDiscount( 10 ); end java.lang.RuntimeException: [8,1]: [ERR 102] Line 8:1 mismatched input 'WHEN' Regards, Sumeet Karawal Mailto: sumeet.karawal(a)tcs.com From: "Abhay B. Chaware" <Abhay.Chaware(a)kpitcummins.com&gt; To: Rules Users List <rules-users(a)lists.jboss.org&gt; Date: 05/18/2011 02:47 PM Subject: Re: [rules-users] Facing Problem in BRL Sent by: rules-users-bounces(a)lists.jboss.org Can you write the outputDRL to System.out and check if the generated DRL syntax is correct ? System.out.println(outputDRL); Before instantiating KnowledgeBuilder -----Original Message----- From: rules-users-bounces(a)lists.jboss.org [ mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Sumeet Karawal Sent: Wednesday, May 18, 2011 2:42 PM To: Rules Users List Subject: Re: [rules-users] Facing Problem in BRL I tried to use this also but now I am getting different error: java.lang.RuntimeException: [8,1]: [ERR 102] Line 8:1 mismatched input 'WHEN' Also, what is the significance of the first line. I have copied it as the same. My code is : String curDir = System.getProperty("user.dir"); String fileName = curDir + "\\src\\com\\rules \\drools.package"; String rulePackageContent = FileUtils.readFileToString(new File (fileName)); fileName = curDir + "\\src\\com\\rules\\example.brl"; String brl = FileUtils.readFileToString(new File(fileName)); BRLPersistence read = BRXMLPersistence.getInstance(); BRLPersistence write = BRDRLPersistence.getInstance(); String outputDRL = rulePackageContent + write.marshal (read.unmarshal (brl)); KnowledgeBuilder builder = KnowledgeBuilderFactory. newKnowledgeBuilder(); builder.add(ResourceFactory.newReaderResource(new StringReader (outputDRL)), ResourceType.DRL); if (builder.hasErrors()) { throw new RuntimeException (builder.getErrors().toString ()); } KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(); knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages ()); I don't know where I am getting this wrong. Regards, Sumeet Karawal Mailto: sumeet.karawal(a)tcs.com From: "Abhay B. Chaware" <Abhay.Chaware(a)kpitcummins.com&gt; To: Rules Users List <rules-users(a)lists.jboss.org&gt; Date: 05/18/2011 01:09 PM Subject: Re: [rules-users] Facing Problem in BRL Sent by: rules-users-bounces(a)lists.jboss.org I haven't been able to get "ResourceType.BRL" to work. This is how I do it .. String curDir = System.getProperty("user.dir"); String fileName = curDir + "\\src\\main\\rules\\drools.package"; String rulePackageContent = FileUtils.readFileToString(new File(fileName)); fileName = curDir + "\\src\\main\\rules\\eligibility.brl"; String brl = FileUtils.readFileToString(new File(fileName)); BRLPersistence read = BRXMLPersistence.getInstance(); BRLPersistence write = BRDRLPersistence.getInstance(); String outputDRL = rulePackageContent + write.marshal(read.unmarshal(brl)); KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add(ResourceFactory.newReaderResource(new StringReader (outputDRL)), ResourceType.DRL); Try this. -abhay -----Original Message----- From: rules-users-bounces(a)lists.jboss.org [ mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Sumeet Karawal Sent: Wednesday, May 18, 2011 11:47 AM To: Rules Users List Subject: Re: [rules-users] Facing Problem in BRL This is the brl that I have created: (Embedded image moved to file: pic18001.jpg) Regards, Sumeet Karawal Mailto: sumeet.karawal(a)tcs.com From: "Abhay B. Chaware" <Abhay.Chaware(a)kpitcummins.com&gt; To: Rules Users List <rules-users(a)lists.jboss.org&gt; Date: 05/18/2011 11:42 AM Subject: Re: [rules-users] Facing Problem in BRL Sent by: rules-users-bounces(a)lists.jboss.org Could you post your rule content here ? -----Original Message----- From: rules-users-bounces(a)lists.jboss.org [ mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Sumeet Karawal Sent: Wednesday, May 18, 2011 11:38 AM To: rules-users(a)lists.jboss.org Subject: [rules-users] Facing Problem in BRL Hi, I am using Drools-Expert. I am having a class "Person" with data members as age and discount. I am trying to create a .brl. I have these statements in drools.package package com.rules; import com.model.PersonDetails; and in the example.brl I am providing the details of when and then conditions but on execution I am getting the following error : java.lang.RuntimeException: [4] Unable to expand: PersonDetails( age < "20" )[6] Unable to expand: PersonDetails fact0 = new PersonDetails ();[7] Unable to expand: fact0.setDiscount ( 10 );[8] Unable to expand: insert(fact0 ); It would be helpful is somebody guide me on how execute it. Also, I am creating the knowledgebase as: private static KnowledgeBase createKnowledgeBase() { KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder(); builder.add (ResourceFactory.newClassPathResource( "com/rules/example.brl"),ResourceType.BRL); if (builder.hasErrors()) { throw new RuntimeException (builder.getErrors().toString ()); } KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(); knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages ()); return knowledgeBase;} Thanks & Regards, Sumeet Karawal CEG - Open Source Technology Group Tata Consultancy Services Ph:- +912267782556 Cell:- +919833236440 Mailto: sumeet.karawal(a)tcs.com Website: http://www.tcs.com ____________________________________________ Experience certainty. 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Thank you _______________________________________________ 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 =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you _______________________________________________ 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 =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you