[rules-users] Regarding implementation of bussiness Rule in Talend

[Mauricio Salatino]

Once again, you should ask talend guys about how to configure the rule
environment to work with it.
It looks like you are using a model and the component in charge of
compiling the rules is not being able to locate the Sales class.

Cheers

On Wed, Dec 21, 2011 at 6:18 AM, Lavanya <aouklavanyareddy at gmail.com> wrote:
> Hi All,
>
>
>    I am new user of Drools tool. I have done a sample business Rule in
> Drools and tested. It is working fine in Drools. So I validated the package
> and imported .drl file into talend studio under Meta data (Embedded Rules).
>
> The code generated for the business rule is as follows:
>
> package modelonsales
>
> import salesmodel.Sales
>
>
> import java.util.ArrayList
> import java.util.HashMap
> import java.lang.Integer
>
> global ArrayList list
> global HashMap globalMap
>
>
>
> rule "SalesBR"
>    dialect "mvel"
>    when
>        exists Sales( sales >= "100" )
>    then
>        Sales fact0 = new Sales();
>        fact0.setName( "Discount" );
>        fact0.setSales( -10 );
>        insert(fact0 );
> end
>
>
>
> When I executing the job it is giving errors as follows:
>
>
> *Starting job DroolsJob at 14:14 21/11/2011.
>
> [statistics] connecting to socket on port 3678
> [statistics] connected
> [Error: unknown class or illegal statement: Sales]
> [Near : {... es fact0 = new Sales();
> fact0. ....}]
>                      ^
> [Line: 1, Column: 13]
>    at
> org.mvel2.compiler.AbstractParser.procTypedNode(AbstractParser.java:1278)
>    at org.mvel2.compiler.AbstractParser.nextToken(AbstractParser.java:712)
>    at
> org.mvel2.compiler.ExpressionCompiler._compile(ExpressionCompiler.java:106)
>    at
> org.mvel2.compiler.ExpressionCompiler.compile(ExpressionCompiler.java:55)
>    at
> org.drools.rule.builder.dialect.mvel.MVELExprAnalyzer.analyzeExpression(MVELExprAnalyzer.java:86)
>    at
> org.drools.rule.builder.dialect.mvel.MVELDialect.analyzeBlock(MVELDialect.java:492)
>    at
> org.drools.rule.builder.dialect.mvel.MVELConsequenceBuilder.build(MVELConsequenceBuilder.java:84)
>    at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:86)
>    at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1159)
>    at
> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:649)
>    at
> org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:290)
>    at
> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:488)
>    at
> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)
>    at
> project1.droolsjob_0_1.DroolsJob$1KnowledgeBase_tRules_2.readKnowledgeBaseDRL(DroolsJob.java:595)
>    at
> project1.droolsjob_0_1.DroolsJob$1KnowledgeBase_tRules_2.readKnowledgeBase(DroolsJob.java:584)
>    at
> project1.droolsjob_0_1.DroolsJob.tFileInputExcel_2Process(DroolsJob.java:648)
>    at project1.droolsjob_0_1.DroolsJob.runJobInTOS(DroolsJob.java:1247)
>    at project1.droolsjob_0_1.DroolsJob.main(DroolsJob.java:1121)
> Unable to resolve ObjectType 'Sales' : [Rule name='SalesBR']
>
> Unable to build expression for 'consequence': unknown class or illegal
> statement: Sales 'Sales fact0 = new Sales();
> fact0.setName( "Discount" );
> fact0.setSales( -10 );
> insert(fact0 );
> ' : [Rule name='SalesBR']
>
> Error importing : 'salesmodel.Sales'
> Exception in component tRules_2
> java.lang.IllegalArgumentException: Could not parse knowledge.
>    at
> project1.droolsjob_0_1.DroolsJob$1KnowledgeBase_tRules_2.readKnowledgeBaseDRL(DroolsJob.java:604)
>    at
> project1.droolsjob_0_1.DroolsJob$1KnowledgeBase_tRules_2.readKnowledgeBase(DroolsJob.java:584)
>    at
> project1.droolsjob_0_1.DroolsJob.tFileInputExcel_2Process(DroolsJob.java:648)
>    at project1.droolsjob_0_1.DroolsJob.runJobInTOS(DroolsJob.java:1247)
>    at project1.droolsjob_0_1.DroolsJob.main(DroolsJob.java:1121)
> [statistics] disconnected
> Job DroolsJob ended at 14:14 21/11/2011. [exit code=1]
> *
>
>
> I have attached the screen shots as follows:
>
> http://drools.46999.n3.nabble.com/file/n3603531/sales.jpg
>
> http://drools.46999.n3.nabble.com/file/n3603531/sales_error.jpg
>
>
> Please help me out on this issue.
>
> Thanks and Regards,
> Lavanya.
>
> --
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> Sent from the Drools: User forum mailing list archive at Nabble.com.
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