Implementing complex buiness rules

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    • September 26, 2006 at 8:44 AM #15848
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        I am very new to buisness rule engine. I am trying to do this using biztalk
        rules engine. Can you please help me how to do this.

         RULE1

        if age is range between 50 to 100 then
         Action Score=4
        if age is range between 40 to 50 then
         Action Score=3
        if age is range between 30 to 40 then
         Action Score=2
        if age is range between 20 to 30 then
         Action Score=1

         RULE2


        if AnnualIncome is range between 500000 to 1000000 then
         Action Score=Score+4
        if AnnualIncome is range between 400000 to 500000 then
         Action Score=Score+3
        if AnnualIncome is range between 300000 to 400000 then
         Action Score=Score+2
        if AnnualIncome is range between 200000 to 300000 then
         Action Score=Score+1

         RULE3


        if NumTimesBankrup is range between 0 to 1 then
         Action Score=Score+4
        if NumTimesBankrup is range between 1 to 2 then
         Action Score=Score+3
        if NumTimesBankrup is range between 3 to 4 then
         Action Score=Score+2
        if NumTimesBankrup is range between 5 to 6 then
         Action Score=Score+1

        XML instance of the schmea

        <ns0:ApplicantDetails>
          <ns0:ApplicationID>10</ns0:ApplicationID>
           <ns0:Name>John Dangerlover</ns0:Name>
            <ns0:Age>99</ns0:Age>
            <ns0:CurrentHealth>Poor</ns0:CurrentHealth>
            <ns0:NumTimesBankrupt>0</ns0:NumTimesBankrupt>
            <ns0:AnnualIncome>1000</ns0:AnnualIncome>
            <ns0:AnnualExpenditure>10000</ns0:AnnualExpenditure>
            <ns0:OwnProperty>false</ns0:OwnProperty>
            <ns0:Score></Score>
          </ns0:FinancialDetails>
        </ns0:ApplicantDetails>

         

         

      • September 27, 2006 at 10:42 AM #15870
        community-content

          First you will need to introduce the ApplicationDetails schema as a fact to the business rules composer.  In the Business Rules Composer under Facts Explorer/XML Schemas/right click/Browse and browse to your .xsd file.

          Next Create a policy with a rule.  For this rule go to Facts Explorer/Vocabularies/Predicates and select the range vocabulary and drag it to the "IF" pane on the right.

          Click on XML Schemas and drag ApplicationDetails.Age to the first value of the range routine.  Put 50 to 100 for second two values.  In the "THEN" pane set ApplicationDetails.ActionScore = 1

           Repeat these steps for the rest of your range values.

          You will need to use the Call Rules Shape in your orchestration.  Set the Policy of the Call Rules shape to whatever you called the above policy and put the Schema instance as a parameter.  Let me know if you encounter any problems.

        • September 28, 2006 at 7:39 AM #15880
          community-content

            Be careful though.  You're incrementing a value.  You can't just do that on the XML doc.  I always use a stateful component with a member variable holding the "score", and methods to increment the value.  See the "risk scoring" example on MSDN … http://msdn.microsoft.com/library/default.asp?url=/library/en-us/BTS_2004WP/html/87e1b104-c39c-4b0d-a74e-494d672e9779.asp.

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