T11_tutorialUML - Reviewing UML (Sequence Diagram) A...

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Chapter 6 - Requirements Discovery 1 1 Reviewing UML (Sequence Diagram) A Guideline and Examples MIE350: Tutorial Fall 2008 2 UML Diagrams
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Chapter 6 - Requirements Discovery 2 3 UML Diagrams • Class diagrams represent static information and relationships • Statecharts represent dynamic information inside an object • Sequence diagrams represent dynamic relationships among objects 4 Sequence Diagrams • Depicts a sequence of actions that occur in a system • Captures invoked methods of objects, and order of invocation • Represents dynamic behaviour of system • Often used to model the way one use case is realized through a sequence of messages between objects. • Can be used in system analysis and design efforts – In analysis phase is more on system level – On design phase is more like an implementation
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3 5 Sequence Diagrams • How do a set of objects get together to perform some functionality? • Sequence diagrams represent a succession of interactions between objects over time • Usually only represent one scenario within a single sequence chart – Anything more gets confusing for one diagram How many use cases are involved in Seq. diagram? How many use cases are involved in statetransition diagram? 6
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This note was uploaded on 09/20/2011 for the course MIE 350 taught by Professor M.gruninger during the Fall '10 term at University of Toronto- Toronto.

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T11_tutorialUML - Reviewing UML (Sequence Diagram) A...

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