Product line architecture for a family of meshing tools
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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 [email protected] Agenda. Meshing Tools Software Product Lines Product Line Architecture

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Product line architecture for a family of meshing tools l.jpg

Product Line Architecture for a Family of Meshing Tools

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

Computer Science Department, Universidad de Chile

[email protected]


Agenda l.jpg
Agenda

  • Meshing Tools

  • Software Product Lines

  • Product Line Architecture

  • Our Proposal: A Meshing Tool PLA

  • Product Instantiation

  • Future Work and Conclusions


Meshing tools l.jpg
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 l.jpg

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.


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Domain Engineering:Typical Reusable Assets

  • Executable software components

  • Software source code

  • Reusable libraries

  • Test sets and test cases

  • …and the Product Line Architecture


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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


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  • xADL PLA specification:

    • Primitives for optional elements (dashed components and connectors)

    • Graphical intuitive representation

    • Tool support for modeling and code generation


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Application Engineering: Product Instantiation

  • Generating products using the proposed PLA implies two steps:

    • Component type selection

    • Implementation selection




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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


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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


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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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