COMS309DesignTheFamilyPart2

COMS309DesignTheFamilyPart2 - Software Product-Line...

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COMS 309 Weiss Fall 2010 Design The Family P2 Software Product-Line Engineering: A Family-Based Software Development Process: Designing The Family: Part 2 David Weiss [email protected]
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COMS 309 Weiss Fall 2010 Design The Family P2 FAST Process A process for defining families and developing environments for generating family members Find abstractions common to the family Define a process for producing family members Design a language for specifying family members Generate software from specifications Family-oriented Abstraction, Specification, Translation 2
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COMS 309 Weiss Fall 2010 Design The Family P2 Product Engineering Environment A FAST Process Domain Engineering Product Engineering Products Feedback Investment Payback 3
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COMS 309 Weiss Fall 2010 Design The Family P2 The Domain Model Conceptual Framework Family Definition Commonalities and Variabilities Among Family Members Common Terminology for the Family Decision Model Economic Analysis Product Line Architecture Optional: Application Modeling Language (AML): Language for stating requirements Mechanism for generating products Composer or Compiler (AML) 4
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COMS 309 Weiss Fall 2010 Design The Family P2 The Conceptual Framework (1) Qualify The Domain Is it economically viable? Artifact: Economic Model Define The Family What do members of the family have in common and how do they vary? Artifact: The Commonality/Variability Analysis Define The Decision Model What decisions must be made to identify a family member? Artifact: The Decision Model Table 5
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COMS 309 Weiss Fall 2010 Design The Family P2 The Conceptual Framework (2) Create The Architecture What is a good modular structure. a good uses structure, and a good process structure? Artifacts: Module Guide, Interface Specifications , Uses Relation, Process Structure Design The System Composition Mapping What modules are needed for which decisions? Artifacts: System Composition Mapping, Uses Relation Design The Product Engineering Environment What are good mechanisms for using the decision model to produce products or to generate products from the AML? Artifacts: Decision Model GUI, Generator or Compiler (AML) 6
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COMS 309 Weiss Fall 2010 Design The Family P2 Architecture for the Product Line Purpose: Enable product generation through composition of modules, each module hiding a parameter of variation Apply information hiding to create a modular architecture Each variability is the hidden decision of a module Define interface specifications for each module Define a uses relation among programs that appear on module interfaces Define a process structure Each product in the product line has its own architecture, derived from the product line architecture 7
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COMS 309 Weiss Fall 2010 Design The Family P2 Deriving the Product Architecture from the Product Line Architecture Apply transformations to the module structure Examples: Delete modules, instantiate modules
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