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Erschienen in:
2014 | OriginalPaper | Buchkapitel
A Property Description Framework for Composable Software
verfasst von : Alexander Frömmgen, Max Lehn, Alejandro Buchmann
Erschienen in: Software Architecture
Verlag: Springer International Publishing
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The composition of software components can be used to fit specific application needs. Finding feasible and, moreover, optimal compositions demands extensive domain knowledge from the developer—with respect to both application requirements and used components. Frameworks can provide support for the composition selection based on requirements, component properties, and their dependencies. Their description, however, becomes complex in practice.
In this paper, we propose the
ProDesc
framework. It contains a property description language with a bespoke type system for describing properties of software components and their operations.
ProDesc
can express compositional variability, including dependencies of properties on the environment and on other components. A UML-like graphical notation and transformations to feature diagrams support the software developer.
The most suitable component composition is selected based on a utility function, which is evaluated during runtime. Our approach raises the abstraction level, leads to a clear separation of concerns, reduces the development time, and facilitates optimized software.