ISSUE-67: using xsi:type to assert Type Substitution http://www.w3.org/2005/06/tracker/databinding/issues/67 Raised by: Paul Downey On product: Basic Pattern from Faisel Waris which employs xsi:type to perform type substitution. """ <complexType name="Part" > <sequence> <element name="Number" type="string" /> </sequence> </complexType> <complexType name="Assembly" /> <sequence> <element name="Part" type="tns:Part" minOccurs="0" maxOccurs="unbounded" /> </sequence> </complexType> <element name="Assembly" type="tns:Assembly" /> ... This can be easily extended in an OO way as follows: <complexType name="Part2" > <complexContent> <extension base="tns:Part"> <sequence> <element name="Description" type="string" /> </sequence> <extension> </complexContent> </complexType> At runtime we can use "Type Substitution" as follows: <Assembly xmlns="…" xmlns:tns="…" xmlns:xsi="…"> <Part> <Name>p1</Name> </Part> <Part xsi:Type="tns:Part2"> <Name>p2</Name> <Description> extended part </Description> </Part> </Assembly> """ http://lists.w3.org/Archives/Public/public-xsd-databinding/2006Jul/0014.htmlReceived on Wednesday, 26 July 2006 23:43:14 UTC
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