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.ans...@gmail.com>
> //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.chaw...@kpitcummins.com>
>
> 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-boun...@lists.jboss.org [mailto:
>> rules-users-boun...@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.kara...@tcs.com> 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.kara...@tcs.com
>>
>>
>>
>> From: "Abhay B. Chaware" <abhay.chaw...@kpitcummins.com>
>>
>> To: Rules Users List <rules-us...@lists.jboss.org>
>>
>> Date: 05/18/2011 02:47 PM
>>
>>
>> Subject: Re: [rules-users] Facing Problem in BRL
>>
>> Sent by: rules-users-boun...@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-boun...@lists.jboss.org [
>> mailto:rules-users-boun...@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.kara...@tcs.com
>>
>>
>>
>> From: "Abhay B. Chaware" <abhay.chaw...@kpitcummins.com>
>>
>>
>> To: Rules Users List <rules-us...@lists.jboss.org>
>>
>>
>> Date: 05/18/2011 01:09 PM
>>
>>
>> Subject: Re: [rules-users] Facing Problem in BRL
>>
>>
>> Sent by: rules-users-boun...@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-boun...@lists.jboss.org [
>> mailto:rules-users-boun...@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.kara...@tcs.com
>>
>>
>>
>> From: "Abhay B. Chaware" <abhay.chaw...@kpitcummins.com>
>>
>>
>> To: Rules Users List <rules-us...@lists.jboss.org>
>>
>>
>> Date: 05/18/2011 11:42 AM
>>
>>
>> Subject: Re: [rules-users] Facing Problem in BRL
>>
>>
>> Sent by: rules-users-boun...@lists.jboss.org
>>
>>
>>
>>
>>
>>
>>
>> Could you post your rule content here ?
>>
>>
>> -----Original Message-----
>> From: rules-users-boun...@lists.jboss.org [
>> mailto:rules-users-boun...@lists.jboss.org] On Behalf Of Sumeet Karawal
>> Sent: Wednesday, May 18, 2011 11:38 AM
>> To: rules-us...@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.kara...@tcs.com
>> Website: http://www.tcs.com
>> ____________________________________________
>> Experience certainty.
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>>
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>>
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