Software Engineering CS 3773
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This 2 page Class Notes was uploaded by Mireya Heidenreich on Thursday October 29, 2015. The Class Notes belongs to CS 3773 at University of Texas at San Antonio taught by Jianwei Niu in Fall. Since its upload, it has received 18 views. For similar materials see /class/231384/cs-3773-university-of-texas-at-san-antonio in ComputerScienence at University of Texas at San Antonio.
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Date Created: 10/29/15
3773 Software Engineering Lec rure 05 L In rerac i39ion Diagrams Sequence Diagram Sequence diagram cap i39ures The behavior of The system in a easy To understand way gt Sequence diagram describes Top level view of sys139em in139erac139ing wi i39h environmen i gt Sequence show The reaction of The system To ex139ernal evenTs gt Sequence diagram emphasize 139he Time ordered sequence of messages sen i39 and received UTSA C53773 In rerac i39ion Diagram Models how objecfs collabora i39e To achieve resul i39s gt Is a holistic view of behavior across many objecfs gt Includes four kinds of diagrams Sequence diagram Communicafion diagram collaborafion diagram in UML 1 quot39 Inferacfion overview diagram Timing diagram UTSA C53773 Sequence Diagram An Example x717j UTSA C53773 Sequence Diagram Syn l ax gt Column is an ins l39ance of 139he class 7 Name of The instance 7 Name of The class fha l The ins l ance belongs 1390 gt Ver l39ical dashed line is li39Feline of 139he ins l39ance gt Rec l angle on life line is 139he focus of con l39rol or ac l39iva l39ion i od during which 139he ins l39ance is involved in 139he ac l39ivi l39y inI l39Ia l39ed a139 139he 139op of 139he 39Focus UT5A 253773 Sequence Diagram Syn l ax gt Horizon i39al arrow expresses messages conveyed by source ins l39ance 139o 139arge139 ins l39ance gt Messages may be condi l39ional cond msg O gt Looping arrow shows self delega i ion a lifeline sends a message 139o i l39sel39F UT5A 253773 Use Case Real i za rion gt Analysis classes realize 139he behavior specified in a use case gt Sequence diagrams realize 139he in l39erac l39ion of analysis classes in a use case Demons rra re how he behavior is realized by passing messages among objec rs One sequence diagram depic l39s one scenario of a use case Shows inferac rions beween objec rs Represen fs a snapsho fs of The running sys rem UT5A 253773 Sequence Diagram An Example UT5A 253773