Packages and Namespaces - Package Stereotypes - Package and Models
13 important questions on Packages and Namespaces - Package Stereotypes - Package and Models
Packages are the primary organizing and ..... for UML Models.
UML tools often cooperate with standard CM tools to ...?
- allow check-in
- check-out
- change management
- compare
- baseline
- and restore on Package boundaries.
When projects are new and subject to many changes, Packages tend to be ...?
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On the other hand, when maintenance work is causing changes that tend to ripple through multiple Packages.... Then what?
Some projects will change their Package structure as the project evolves, but it is best to ...?
One of the common stereotypes of Package allows the modeler to show that we are splitting the model by organizing principles.
How do we do this?
If you remember our discussion at the end of Chapter 2, What is UML?, we talked about different types of a modeling.
Which one and how does this relate with packages?
- conceptualization
- requirements
- analysis
- analysis, and design.
If you have a Package whose totality of contents follows one of these aspects, you would flag the Package with the stereotype of «model».
How do we connect the seperate <<models>> ?
There are special types of dependencies that often are, but are not required to be used in these circumstances.
What is an abstraction?
An abstraction relates two NamedElements that represent the same concept at different levels of abstraction or from different viewpoints.
What are the types of abstractions?
What is the abstraction type <<trace>> ?
A generic relationship between different versions. May be bi-directional
What is an optional notation for the stereotype <<model>> ?
Models may have a viewpoint field that uses a string to document the organizing principle or perspective for that model, see Fig. 8.20.
Many modelers make their top-level Packages (the ones not contained by other things) into «models».
However, this is not required and would prevent models from being contained in other Packages or models (as shown in Fig. 8.20).
As with most use of models, the project methodology will determine your practice.
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