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COMS309DefineTheFamily

COMS309DefineTheFamily - Software Product-Line Engineering...

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Software Product-Line Engineering: A Family- Based Software Development Process: Defining The Family David Weiss [email protected]
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Families “We consider a set of programs to constitute a family whenever it is worthwhile to study programs from the set by first studying the common properties of the set and then determining the special properties of the individual family members.” David L. Parnas COMS 309 Weiss Fall 2010 Defining The Family 2
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Product Lines “ We call a family of products designed to take advantage of their common aspects and predicted variabilities a product line.” Lai & Weiss “A software product line is a set of software-intensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a common set of core assets in a prescribed way.” Clements & Northrop COMS 309 Weiss Fall 2010 Defining The Family 3
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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 F amily-oriented A bstraction, S pecification, T ranslation COMS 309 Weiss Fall 2010 Defining The Family 4
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Product Engineering Environment A FAST Process Domain Engineering Product Engineering Products Feedback Investment Payback COMS 309 Weiss Fall 2010 Defining The Family 5
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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) COMS 309 Weiss Fall 2010 Defining The Family 6
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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 COMS 309 Weiss Fall 2010 Defining The Family 7
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The Conceptual Framework (2) Create The Architecture What is a good modular structure and a good uses structure?
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