Re: [rules-users] Facing Problem in BRL

There is some code in 5.1.1 org/drools/eclipse/rulebuilder/editors/RuleEditor.java that creates a file "drools.package" with if ( !file.exists() ) { String defaultHeader = "//This is a package configuration file"; defaultHeader += "\n//Add imports, globals etc here which will be used by all the rule assets in this folder."; InputStream is = new ByteArrayInputStream( defaultHeader.getBytes() ); Note the missing newline at the end of defaultHeader. -W 2011/5/18 Michael Anstis <michael.anstis(a)gmail.com&gt; > //Add imports, globals etc here which will be used by all the rule assets > in this folder. > > should be on one line, or add another comment marker at the start of the > second line, e.g.:- > > > //Add imports, globals etc here which will be used by all the rule assets > in this folder. > > //Add imports, globals etc here which will be used by all the rule assets > // in this folder. > > 2011/5/18 Abhay B. Chaware <Abhay.Chaware(a)kpitcummins.com&gt; > > I was able to reproduce your error … J try adding a new line ( enter ) >> after the comment in the drools.package …. Or just remove the commented >> line “//Add imports, globals etc here which will be used by all the rule >> assets in this folder.” >> >> >> >> Your rule name is getting ‘commented out’ ……… >> >> >> >> -abhay >> >> *-----------------------* >> >> * * >> >> * * >> >> * * >> >> *From:* rules-users-bounces(a)lists.jboss.org [mailto: >> rules-users-bounces(a)lists.jboss.org] *On Behalf Of *Michael Anstis >> *Sent:* Wednesday, May 18, 2011 2:53 PM >> >> *To:* Rules Users List >> *Subject:* Re: [rules-users] Facing Problem in BRL >> >> >> >> This looks rogue:- >> >> //Add imports, globals etc here which will be used by all the rule assets >> in this folder >> >> Can you post the content of your drools.packages file? >> >> On 18 May 2011 10:19, Sumeet Karawal <sumeet.karawal(a)tcs.com&gt; wrote: >> >> 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. >> IT >> Services >> >> Business Solutions >> >> Outsourcing >> ____________________________________________ >> >> =====-----=====-----===== >> Notice: The information contained in this e-mail >> message and/or attachments to it may contain >> confidential or privileged information. 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