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April 16, 2006

Zero of the Policy Merge Operation

The following policy expression (Policy21.xml in the WS-Policy Interop Scenarios Pack) has zero policy alternatives = that is, no admissible behavior. Merging “0 policy alternatives” with another “non-empty Set of policy alternatives” produces a new policy with 0 policy alternatives.

<wsp:Policy xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
  <wsp:ExactlyOne />
</wsp:Policy>

A policy with 0 policy alternatives is the zero of the policy merge operation.

April 16, 2006 in Web Services, WS-Policy |

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