As component level design proceeds, there are some guidelines other than basic design guidelines. These guidelines are applied to components and their interfaces, their dependencies and inheritance.
COMPONENTS
- Naming conventions should be established for components.
- These are specified as part of architectural model and then refined and elaborated as part of component level design.
- Architectural component names should be drawn from the problem domain.
- It should have meaning to all stakeholders.
INTERFACES
- Provides information about communication and collaboration.
- Lollipop approach to represent interface should be used in combination with UML box and dashed arrow.
- Interface should flow from left side of the component box for consistency.
- Only relevant interfaces to component should be shown.
DEPENDENCIES AND INHERITANCE
- Model dependencies from left to right.
- Model inheritance from bottom to top.
- Component interdependencies should be represented via interfaces.
Wednesday, February 23, 2011
Designing Class based Components - Component Level Design Guidelines
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