Ch 10 - behavior Applying UML: Sequence Diagrams System...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Click to edit Master subtitle style Chapter - 10 System Sequence Diagrams (SSDs)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter Objectives Identify system events Create system sequence diagrams for use case scenarios
Background image of page 2
SSD - What Is a picture that shows, for one particular scenario of a use case , the events that external actors generate, their order, and inter-system events
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SSD - Why Software systems react to three events 1. External events from actors (humans or computers) 2. Timer events 3. Faults or exceptions (often from external sources) Useful to know what are the external input events An important part of analyzing system
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: behavior Applying UML: Sequence Diagrams System sequence diagram does not exist in UML Used to emphasize its application as a black box Sequence diagrams illustrate design of interacting software objects Use interaction frames to show loops (p. 177) SSDs and Use Cases Derived from use cases Show events for one scenario Naming System Events & Operations Name at abstract level rather than in terms of input device enterItem better than scan System event name more clear when started with verb...
View Full Document

This note was uploaded on 08/29/2011 for the course SEN 632 taught by Professor Aslam-mir during the Spring '11 term at National.

Page1 / 7

Ch 10 - behavior Applying UML: Sequence Diagrams System...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online