Drawing System Sequence Diagrams. Chapter 10 Applying UML and Patterns Craig Larman. UP Artifacts. Sequence Diagrams. Shows objects and classes involved in a use case scenario Shows the messages exchanged between objects in time order sequence
Applying UML and Patterns
For a particular scenario of use-case an SSD shows-
“enterItem” is better than “scan” as it captures the intent of operation rather than what interface is used to capture the system event (design choice).
SSDs are a visualization of the interactions implied in the use cases.
It is useful to createSSDs during analysis to: