System operations
Abstract
This chapter explains how to transform fully dressed use cases into sequence diagrams with two levels of communication: actor/interface and interface/controller. It explains how the events caused by the user require the implementation of some commands and queries by the controller. It also explains how to deal with the information exchanged between actor and system.
Keywords
System sequence diagram; system operations; façade controller; stateless; fragments
Key topics in this chapter
- • System events
- • System returns
- • System commands
- • System queries
- • Sequence diagrams
- • Stateless and stateful
7.1 Introduction to system operations
Among other uses, the text of the detailed use cases may be used as:
- • A source of information to ...
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