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UML Distilled

UML Distilled. Martin Fowler. State Diagrams. State Transition Diagrams define a number of states and the transitions between the states. Harel Statechart. When to use State Diagrams. Describing an object across several user-cases. Activity Diagrams.

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UML Distilled

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  1. UML Distilled Martin Fowler

  2. State Diagrams • State Transition Diagrams define a number of states and the transitions between the states

  3. Harel Statechart

  4. When to use State Diagrams • Describing an object across several user-cases

  5. Activity Diagrams • The activity diagram describes the sequencing of activities, with support for both conditional and parallel behavior. An activity diagram is a variant of the state diagram where the states are activity states.

  6. Activity Diagrams

  7. When to use Activity Diagrams • Analyze a user-case • Understanding workflow • Describe a complicated sequential algorithm • Dealing with multi-threaded applications Do not use it when: • Trying to see how objects collaborate • Trying to see how many objects behave over their lifetimes

  8. Deployment Diagrams • A Deployment Diagrams shows the physical layout of components on hardware nodes. A deployment diagram is a good place to show how components and objects are routed and move around a distributed system.

  9. When to use Deployment Diagrams • Distributed Systems

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