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


<definitions name="EformApplication" ...>
  ...
  <portType name="AppInt">
    <operation name="Add">
      <input message="tns:AddApp"/>
      <output message="tns:AddAppConfirm"/>
    </operation>
    <operation name="Update">
      <input message="tns:UpdateApp"/>
      <output message="tns:UpdateAppConfirm"/>
    </operation>
    <operation name="Get">
      <input message="tns:GetApp"/>
      <output message="tns:GetAppResults"/>
    </operation>
  </portType>
  ...
</definitions>
<wsp:Policy xmlns:wsp="...">
    ...
    <wsp:ExactlyOne>
      <wsp:SpecVersion wsp:Usage="wsp:Required"
        wsp:Preference="10"
        wsp:URI="http://schemas.xmlsoap.org/ws/2004/03/rm"/>
      <wsp:SpecVersion wsp:Usage="wsp:Required"
        wsp:Preference="1"
        wsp:URI="http://schemas.xmlsoap.org/ws/2003/02/rm"/>
    </wsp:ExactlyOne>
</wsp:Policy>

Example 14.4 - A second service contract is created specifically for service consumers transmitting application documents electronically. In this version, the Delete operation is removed, and a policy is introduced requiring consumers to support one of two WS-ReliableMessaging specifications.