SequenceDiagrams

SequenceDiagrams - Sequence Diagrams Dan Fleck Coming up:...

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Coming up: Interaction Diagrams Sequence Diagrams Dan Fleck
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Coming up: Dynamic Diagram Types Interaction Diagrams UML Specifies a number of interaction diagrams to model dynamic aspects of the system Dynamic aspects of the system Messages moving among objects/ classes Flow of control among objects Sequences of events
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Coming up: Sequence Diagrams Dynamic Diagram Types Interaction Diagrams - Set of objects or roles and the messages that can be passed among them. Sequence Diagrams - emphasize time ordering Communication Diagrams - emphasize structural ordering State Diagrams State machine consisting of states, transitions, events and activities of an object Emphasize and show flow of control among objects
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Sequence Diagrams Describe the flow of messages, events, actions between objects Show concurrent processes and activations Show time sequences that are not easily depicted in other diagrams Typically used during analysis and design to document and understand the logical flow of your system Emphasis on time ordering! Emphasis on time ordering!
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Coming up: Components Sequence Diagram
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Coming up: Components Sequence Diagram T i m e I n c r a s g - > All lines should be horizontal to indicate instantaneous actions. Additionally if ActivityA happens before ActivityB, ActivityA must be above activity A Lower = Later!
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This note was uploaded on 03/26/2012 for the course CS 321 taught by Professor Kinga during the Spring '12 term at George Mason.

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SequenceDiagrams - Sequence Diagrams Dan Fleck Coming up:...

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