Berechnete Attribute werden in der Regelklasse direkt aufgelistet.
<?xml version="1.0" encoding="UTF-8"?>
<RuleSet name="Example_RuleClass"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation=
"http://www.curamsoftware.com/CreoleRulesSchema.xsd">
<Class name="Person">
<Initialization>
<!-- Initialized attributes each contain a type
but no derivation.
You should NOT arbitrarily reorder
initialized attributes. -->
<Attribute name="firstName">
<type>
<javaclass name="String"/>
</type>
</Attribute>
<Attribute name="age">
<type>
<javaclass name="Number"/>
</type>
</Attribute>
</Initialization>
<!-- Each calculated attribute specifies both
a type and a derivation.
You are free to arbitrarily reorder
calculated attributes. -->
<Attribute name="isAdult">
<type>
<javaclass name="Boolean"/>
</type>
<derivation>
<compare comparison=">=">
<reference attribute="age"/>
<Number value="18"/>
</compare>
</derivation>
</Attribute>
<Attribute name="isSeniorCitizen">
<type>
<javaclass name="Boolean"/>
</type>
<derivation>
<compare comparison=">=">
<reference attribute="age"/>
<Number value="65"/>
</compare>
</derivation>
</Attribute>
</Class>
</RuleSet>