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Architectural Documentation

Architectural Documentation. Graphical (views) and textual Kruchten's 4+1 Views Philippe B. Kruchten. "The 4+1 View Model of Architecture." IEEE Software, 12(6):42-50, November 1995 Logical, developmental, process, physical, use case Other useful information

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Architectural Documentation

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  1. Architectural Documentation • Graphical (views) and textual • Kruchten's 4+1 Views • Philippe B. Kruchten. "The 4+1 View Model of Architecture." IEEE Software, 12(6):42-50, November 1995 • Logical, developmental, process, physical, use case • Other useful information • Features, non-functional requirements, bug reporting, context, utility ã 2007, Spencer Rugaber

  2. Logical View • Structural breakdown of computational, communicational and behavioral responsibilities • Diagrams: • Box and arrow • Components and connectors (ADLs) • UML Class model diagram • UML Interaction Overview diagram • UML Collaboration diagram ã 2007, Spencer Rugaber

  3. Developmental View • Units of source code • Packages, classes, subsystems, libraries, files • Diagrams • UML Package diagram • UML Component diagram • CVS modules ã 2007, Spencer Rugaber

  4. Class Diagram with Packages ã 2007, Spencer Rugaber

  5. Package Diagram ã 2007, Spencer Rugaber

  6. Component Diagram ã 2007, Spencer Rugaber

  7. Process View • Processes and threads into which execution is divided • Diagrams • UML Deployment diagram ã 2007, Spencer Rugaber

  8. ExampleDeploymentDiagram ã 2007, Spencer Rugaber

  9. Physical View • Machines used for system execution and how processes are allocated to them • Diagrams • UML Deployment diagram • UML Sequence diagram ã 2007, Spencer Rugaber

  10. Example SequenceDiagram ã 2007, Spencer Rugaber

  11. Use Case View • Important execution sequences from the external actors' points of view • Diagrams • UML Use Case diagram • UML Communication (Collaboration) diagram • UML Sequence diagram • UML Activity diagram • Structured text ã 2007, Spencer Rugaber

  12. Example Use Case Diagram ã 2007, Spencer Rugaber

  13. EquivalentCollaboration Diagram ã 2007, Spencer Rugaber

  14. ExampleActivityDiagram ã 2007, Spencer Rugaber

  15. Feature View • Conceptual units from the user's point of view • Diagrams • Feature diagram • Inter-feature constraints ã 2007, Spencer Rugaber

  16. Car Car Body Transmission Engine Pulls Trailer Automatic Manual Electric Gasoline Example ã 2007, Spencer Rugaber

  17. Notation • Mandatory features: • Optional features: • Alternative features: • Choose exactly one • Or features: • Choose a subset ã 2007, Spencer Rugaber

  18. Non-Functional View • How non-functional requirements affect the software architecture • Explicit tradeoffs • Tabular text ã 2007, Spencer Rugaber

  19. Bug Reporting • Units to which bugs are allocated • Consequences with respect to Developmental view • Consequences with respect to Feature view • Bugzilla components ã 2007, Spencer Rugaber

  20. Context View • Relationship of a system to its environment • External actors, events and percepts • (Data flow) Context diagram ã 2007, Spencer Rugaber

  21. Context Diagrams • The top level data flow diagram is called the context diagram • It contains exactly one process node denoting the overall function of the system Human Moves Human Opponent Play Chess Machine Moves Board Drawings ã 2007, Spencer Rugaber

  22. Utility View • Supporting software • Installation scripts • Log file analysis • Statistical processing • Tabular text ã 2007, Spencer Rugaber

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