UML Activity Diagrams

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Chapter 28

• UML Activity Diagrams

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Activity Diagrams

• Graphical notation for
• control flow
• data flow
• business processes
• For our purposes
• Flow chart for complicated use cases, if needed

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More UML Activity Diagram Notation
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Hierarchy in Activity Diagrams

• Activity diagrams needed for complicated use
  cases
• Otherwise use-case text is enough
• All activities and actions in a diagram should be
  at the same level of abstraction
• Use hierarchy to separate

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Conditional Branching
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Signals in Activity Diagrams
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NextGen POS Activity Diagram