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djon
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What do activity diagrams allow modeling for?
- collection of transitions
- transitions between those activities
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What is an action state?
- represents actions
- should be a verb and a noun
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Swim lanes
used to partition activity diagrams
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forks and joins
when modeling concurrent flows, you can split these using a fork and put them back together using a join
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subactivity states
used to model complex business processes as a workflow
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transitions
When state finishes it’s work, transition out of this state into the next one
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Analysis Model
- Captures the big picture
- tells a story about the desired system
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Artifacts
- analysis classes
- use case realizations
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6 Analysis modeling rules of thumb
- 50 to 100 analysis classes
- only include classes that model the vocabulary of the problem domain
- do no make implementation decisions
- focus on classes and associations
- use inheritance
- keep it simple!
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What are the 3 perspectives when creating and refining system analysis/design diagrams
- conceptual
- specification
- implementation
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conceptual
a diagram that represents the concepts in the domain under study
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specification
diagrams that focus on the interfaces of the software not the implementation
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implementation
diagrams with classes that are going to be implemented as diagrammed
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