CHAPTER 9
Modeling Interactions in UML 2.0
In This Chapter
- Modeling a Sequence diagram
- Modeling frames and lifelines
- Modeling messages and event occurrences
- Modeling interactions and interaction occurrences
- Modeling a Communication diagram
- Modeling an Interaction Overview diagram
- Modeling a decision, fork and join, and merge
- Modeling a Timing diagram
UML 2.0 models object interactions using the following four different, but related diagrams. The diversity of the diagrams reflects the many reasons for evaluating interactions in a system design.
- A Sequence diagram is a time-oriented view of the interaction between objects to accomplish a behavioral goal of the system. An interaction may be modeled at any level of abstraction within the system design, from subsystem interactions to instance-level interaction for a single operation or activity.
- A Communication diagram is a structural view of the messaging between objects, taken from the Collaboration diagram concept of UML 1.4 and earlier versions.
- An Interaction Overview diagram is a high-level view of sets of interactions combined into a logic sequence, including flow-control logic to navigate between the interactions.
- A Timing diagram is an optional diagram designed to specify the time constraints on messages sent and received ...
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