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I've read many of the XACML questions and answers, which have been remarkably helpful, especially the links provided in many of the answers. But I haven't found what I was looking for, namely UML Class diagrams that represent the various interactions of the XACML components of PDP, PIP, Context Handler and the rest. Can anyone point to such a thing? The answer to a prayer would be a MagicDraw representation, but that's too much to hope for.

Tupelo Thistlehead
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A class diagram would not show the interactions of XACML components. A component diagram, sequence diagram, or communication diagram would. If you want a class diagram of the policy language, the core specification has one. If you want a class diagram of the request / response, I wrote one for the JSON/XACML spec and it is available inside.

EDIT

Class Diagram of the XACML Policy Language

XACML Policy Language Class Diagram

Class Diagram of the XACML Request / Response

Request

JSON XACML Request Class Diagram

Response

JSON XACML Response Class Diagram

XACML Architecture Diagram

XACML Architecture

Data Flow Model

This comes from the XACML 3.0 standard document and is © OASIS. It is also available online. XACML Data Flow Model - taken from eXtensible Access Control Markup Language (XACML) Version 3.0 - Committee Specification 01 - 10 August 2010

David Brossard
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  • Thanks..."available inside" what? – Tupelo Thistlehead Jul 09 '15 at 22:14
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    OK, strictly speaking a class diagram does not show interactions, but relationships, (Wikipedia: a CD "describes the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among objects." Yes, I have read the spec. Yes, I have Googled. I was hoping to find something that included methods. Something with real detail. – Tupelo Thistlehead Jul 30 '15 at 12:19