Re: [rules-users] Facing Problem in BRL

//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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