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Product Line Architecture for a Family of Meshing Tools. María Cecilia Bastarrica, Nancy Hitschfeld-Kahler, Pedro O. Rossel Computer Science Department, Universidad de Chile {cecilia|nancy|prossel}@dcc.uchile.cl. Agenda. Meshing Tools Software Product Lines Product Line Architecture

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product line architecture for a family of meshing tools

Product Line Architecture for a Family of Meshing Tools

María Cecilia Bastarrica, Nancy Hitschfeld-Kahler, Pedro O. Rossel

Computer Science Department, Universidad de Chile

{cecilia|nancy|prossel}@dcc.uchile.cl

agenda
Agenda
  • Meshing Tools
  • Software Product Lines
  • Product Line Architecture
  • Our Proposal: A Meshing Tool PLA
  • Product Instantiation
  • Future Work and Conclusions
meshing tools
Meshing Tools
  • Meshing tools manage discretizations of certain application domains.
  • Independently of the application domain, all meshing tools share functionality:
    • Read the domain geometry and physical values
    • Generate an initial mesh
    • Refine, improve, derefine or smooth the mesh according to a quality criterion
    • Store the mesh into a file
software product lines

Domain

Application

Software

assets

Engineering

Engineering

Software

applications

Management

Software Product Lines
  • A software product line (SPL) is a collection of products that serve the needs of a market segment, and that are built from a set of reusable assets.
domain engineering typical reusable assets
Domain Engineering:Typical Reusable Assets
  • Executable software components
  • Software source code
  • Reusable libraries
  • Test sets and test cases
  • …and the Product Line Architecture
pla for the meshing tool spl
PLA for the Meshing Tool SPL
  • Flexibility and interchangeability as the main goals, so we propose a layered architecture:
    • User Interface
    • Algorithms
    • Model
    • Input/output
slide8
xADL PLA specification:
    • Primitives for optional elements (dashed components and connectors)
    • Graphical intuitive representation
    • Tool support for modeling and code generation
application engineering product instantiation
Application Engineering: Product Instantiation
  • Generating products using the proposed PLA implies two steps:
    • Component type selection
    • Implementation selection
conclusions
Conclusions
  • SPL are specially suited for meshing tools
  • Having a tested PLA helps defining new family products
  • Clearly defining the PLA brought multiple benefits:
    • Basis for communication
    • Possibility of consistency analysis
    • Potential for instance meshing tool generation
conclusions cont
Conclusions (cont.)
  • Formally defining the PLA makes it possible to (semi) automate the process of instance tool generation:
    • The PLA can be considered as a high abstraction level model
    • The component type selection is a model transformation into another one where there are no optional elements
    • The implementation selection precisely determines which pieces of code form part of the specific tool
    • In a last transformation, all pieces are put together to generate the tool code
work in progress
Work in Progress
  • Refine the PLA definition so that it includes all the guard conditions required for each transformation step.
  • Meshing tool component adaptation so that they comply with the interfaces defined by the PLA.
  • Implement a framework that supports all the tool generation process using MDE concepts.
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