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Implementation Diagrams

Implementation Diagrams. Implementation Diagrams. Both are structural diagrams Component Diagrams : set of components and their relationships Illustrate static implementation view Component maps to one or more classes, interfaces, or collaborations Deployment Diagrams :

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Implementation Diagrams

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  1. Implementation Diagrams

  2. Implementation Diagrams • Both are structural diagrams • Component Diagrams: • set of components and their relationships • Illustrate static implementation view • Component maps to one or more classes, interfaces, or collaborations • Deployment Diagrams: • Set of nodes and their relationships • Illustrate static deployment view of architecture • Node typically encloses one or more components

  3. Package Name Package • General purpose mechanism for organizing elements into groups • Can group classes or components.

  4. Example.java Component Diagram • Classes • Interfaces • Dependency, generalization, association, and realization relationships Special kind of class diagram focusing on system’s components.

  5. Find.exe Component Diagram executable find.html page Index.html Comp2.dll Comp1.dll library

  6. Common Uses: • Model source code: • model configuration mgmt • Model executable releases • Release is relatively complete and consistent set of artifacts delivered to user • Release focuses on parts necessary to deliver running system • Component Diagram visualizes, specifies, and documents the decisions about the physical parts that define the software.

  7. Common Uses: (cont’d) • Model Physical databases: • database is concrete realization of schema • schemas offer an API to persistent information • model of physical dbases represents storage of that information in tables of a relational dbase or pages of an OO dbase. • Component Diagram can represent this kind of physical database • Model Adaptable systems: • can model static aspects of adaptable systems • can model dynamic aspects (in conjunction with behavioral models)

  8. Modeling Source Code • (Forward/Reverse Eng): identify set of source code files of interest • model as components stereotyped as files • Larger systems: use packages to show groups of source code files • Model compilation dependencies among files

  9. Signal.h Signal.h Signal.h {version=3.5} {version=4.0} {version=4.1} Modeling Source Code Example • 5 source code files • signal.h (header) • used by 2 other files (signal.cpp, interp.cpp) • interp.cpp has compilation dependency to header file (irq.h) • device.cpp compilation dependency to interp.cpp Signal.cpp <<parent>> <<parent>> Interp.cpp Irq.h Device.cpp

  10. Deployment Diagrams

  11. Deployment Diagram • Shows the configuration of: • run time processing nodes and • the components that live on them • Graphically: collection of vertices and arcs

  12. Contents • Deployment diagrams contain: • Nodes • Dependency and association relationships • may also contain components, each of which must live on some node.

  13. <<processor>> <<processor>> <<processor>> <<processor>> <<processor>> <<processor>> server server Caching server Caching server primary server server A Deployment Diagram node Modem bank Internet connection <<network>> local network

  14. Modeling Client-Server Architecture • Identify nodes that represent system’s client and server processors • Highlight those devices that are essential to the behavior • E.g.: special devices (credit card readers, badge readers, special display devices) • Use stereotyping to visually distinguish

  15. Deploys Deploys Http.exe rting.exe dbadmin.exe tktmstr.exe logexc.exe Client-Server System • Human resource system • 2 pkgs: client, server • Client: 2 nodes • console and kiosk • stereotyped, distinguishable • Server: 2 nodes • caching server and server • Multiplicities are used client console kiosk server 4..* 2..* <<processor>> <<processor>> Caching server server

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