10.3. An Example of a Simple Type Derived from a User-derived Simple Type
The two previous examples demonstrate simple types derived from the built-in token type. Listing 10.3 portrays the assemblyPartNumberType derived from the partNumberType that is declared in Listing 10.2.
Listing 10.3. Restricting a User-derived Simple Type (catalog.xsd)
<xsd:simpleType name="assemblyPartNumberType" final="#all" id="catalog.assemblypartNumber.sType"> <xsd:annotation> <xsd:documentation xml:lang="en"> An "assembly" represents a pre-built collection of unit items. The part number for an assembly always starts with "ASM." </xsd:documentation> </xsd:annotation> <xsd:restriction base="partNumberType"> <xsd:pattern value="ASM\d{1,8}"/> </xsd:restriction> </xsd:simpleType> ... |
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