This text file contains sample code fragments from:
Chapter 14 - Service Contract Design Patterns
Book - SOA Design Patterns
Series - Prentice Hall Service-Oriented Computing Series from Thomas Erl
Site - www.soabooks.com


<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://frc/applications"
  xmlns="http://frc/genproc">
  <xsd:element name="submission" type="AppType"/>
  <xsd:complexType>
    <xsd:sequence>
      <xsd:element name="submission" type="AppType"
        maxOccurs="unbounded"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="AppType">
    <xsd:sequence>
      <xsd:element name="AppID" type="AppIDType"/>
      <xsd:element name="Name" type="NameType"/>
      <xsd:element name="TaxNum" type="TaxNumType"/>
      <xsd:element name="Class" type="ClassType"/>
      <xsd:element name="Comments" type="xsd:string"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:simpleType name="AppIDType">
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="\d{3}\-\d{3}\"/>
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="NameType">
    <xsd:restriction base="xsd:string">
      <xsd:length value="100"/>
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="TaxNumType">
    <xsd:restriction base="xsd:integer">
      <xsd:totalDigits value="12"/>
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="ClassType">
    <xsd:restriction base="xsd:string">
      <xsd:length value="3"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:schema>

Example 14.6 - The revised XML Schema definition with coarser-grained constraint granularity due to the abstraction of classification code validation.