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Rule Examples
Submitted by giurca on Thu, 2006-08-24 09:03.
R2ML supports Integrity Rules (or constraints), Derivation Rules, Production Rules and Reaction Rules (or ECA Rules).
Using Strelka you can model rules visually:
Strelka serialize rules into the rule markup language R2ML:
<r2ml:ProductionRuleSet r2ml:ruleSetID="UServProductionRulesSet" xmlns:r2ml="http://www.rewerse.net/I1/2006/R2ML" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:userv="http://www.businessrulesforum.com/2005/userv#" xmlns:op="http://www.xpath2operations.org/op#" xmlns:swrlb="http://www.w3.org/2003/11/swrlb"> <r2ml:ProductionRule r2ml:ruleID="AP_10"> <r2ml:conditions> <r2ml:ObjectClassificationAtom r2ml:class="userv:MedicalCoverageOption"> <r2ml:ObjectVariable r2ml:name="medicalCoverageOption" r2ml:class="userv:MedicalCoverageOption"/> </r2ml:ObjectClassificationAtom> </r2ml:conditions> <r2ml:producedActionExpr> <r2ml:UpdateActionExpression r2ml:property="userv:VehicleInsurancePolicy.premium"> <r2ml:contextArgument> <r2ml:ObjectVariable r2ml:name="vehicleInsurancePolicy" r2ml:class="userv:VehicleInsurancePolicy"/> </r2ml:contextArgument> <r2ml:DatatypeFunctionTerm r2ml:datatypeFunction="op:numeric-add"> <r2ml:dataArguments> <r2ml:AttributeFunctionTerm r2ml:attribute="userv:VehicleInsurancePolicy.premium"> <r2ml:contextArgument> <r2ml:ObjectVariable r2ml:name="vehicleInsurancePolicy" r2ml:class="userv:VehicleInsurancePolicy"/> </r2ml:contextArgument> </r2ml:AttributeFunctionTerm> <r2ml:TypedLiteral r2ml:lexicalValue="600" r2ml:datatype="xs:integer"/> </r2ml:dataArguments> </r2ml:DatatypeFunctionTerm> </r2ml:UpdateActionExpression> </r2ml:producedActionExpr> </r2ml:ProductionRule> <r2ml:ProductionRuleSet>
You can translate rules into platform specific rule languages and execute them.
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