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Modify

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Test TypePositiveEntailmentTest
ContributorAdrian Paschke
StatusApproved
Record13 Oct 2009 telecon
DialectPRD
PurposeModify Action of RIF PRD
DescriptionDemonstrates the modify action in RIF PRD. The rule modifies the customer frame object with a discount value of "0". Note, the modify action is like an atomic retract+assert action.
SeeAlsoAssert, Retract, AssertRetract
SpecRefhttp://www.w3.org/2005/rules/wiki/PRD
Premises
Presentation SyntaxDocument( Prefix(ex <http://example.org/example#>) Prefix(xs <http://www.w3.org/2001/XMLSchema#>) Group ( Forall ?X ( If ?X[ex:status -> "normal"] Then Do ( Modify (?X[ex:discount -> "0"]) ) ) ex:john[ex:status -> "normal" ex:discount -> "10"] ) )
XMLview RIF/XML
Conclusion
Presentation Syntaxex:john[ex:status -> "normal" ex:discount -> "0"]
XMLview RIF/XML
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