1. MDHT Architecture Diagram Rama Ramakrishnan 1

2. Introduction The intent is to capture the high level architecture of the MDHT. The following diagrams are created to depict the high level flow. – MDHT Architecture Diagram – MDHT Capabilities ( Inputs & Outputs ) 2

3. MDHT Architecture E M F Eclipse Modeling Framework Includes EMF Core, EMF.Edit, EMF.Codegen & Validation Framework DITA Document generation Includes generation of DITA xml files Document Publishing Includes generating documents using DITA-OT Custom Tools Includes UML Table Editor New Project Wizards New CDA templates Property Editors JAVA Classes Includes generating Java source code for models and the constraints HL7 Core Includes V3 datatype support, MIF-> UML support, HDF CDA Includes CDA Support CDA Templates HITSP & IHE models Validation Suite Includes testing instances of CDA and non- CDA models. MDHT Terminology Services Includes support for terminology sets Model to Model Transfor mation Includes Domain Model to implemen tation models. 3

4. MDHT Inputs & Outputs Domain Model MDHT Add Custom Validations & Constraints Java API (Source Code) Java API (Source Code) Validation Code Generation Validation Code Generation Implementation Guide(s) 4