Artifact: Design Package









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Artifact: Design Package















This work product is a collection of classes, relationships, design use-case realizations, diagrams, and other packages. It is used to structure the design model by dividing it into smaller parts.


Work Product Kinds: Model Element






Purpose



Design packages are used to group related Design Model elements together for organizational purposes, and often for configuration management. Unlike the Artifact: Design Subsystem, a design package does not offer a formal interface, though it may expose some of its contents (marked as 'public') which offer behavior. Design packages should be used primarily as a model organizational tool, to group related things together; if behavioral semantics are needed, use Design Subsystems. A design package and its contents are the responsibility of a single Role: Designer. Elements within the package may be dependent on the elements contained by other packages; this gives rise to dependencies between packages. Package dependencies can be used as a tool to analyze the resiliency of the design model: a model with cross-dependent packages is less resilient to change.



Relationships



Container Artifact


Design Model





RolesResponsible:



Designer


Modified By:



Software Architect





TasksInput To:
Output From:



Identify Design Elements


Identify Design Mechanisms


Incorporate Existing Design Elements





Process Usage


Analysis & Design
 > 
Refine the Architecture
 > 
Design Package


Analysis & Design
 > 
Refine the Architecture
 > 
Design Package


Analysis & Design
 > 
Analyze Behavior
 > 
Design Package


Analysis & Design
 > 
Analyze Behavior
 > 
Design Package


Analysis & Design
 > 
Design Components
 > 
Design Package






Tailoring



Representation OptionsUML Representation: Package in the design model.  Packages are used in the models to group similar model elements, improving the organization of the model and making it easier to understand. Packaging in large models is essential. Even in smaller models, appropriate packaging can dramatically improve the comprehensibility of the model. Some packaging is almost always useful. For more information, see Guideline: Design Package.



More Information



Checklists


Design Package





Guidelines


Design Package








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