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Implementing product line variabilities

: Anastasopoulos, M.; Gacek, C.

Software engineering notes 26 (2001), Nr.3, S.109-117 : Ill., Lit.
ISSN: 0163-5948
Fraunhofer IESE ()
software product line; product line variability; implementation approach; implementing variability; traceability

Software product lines have numerous members. Thus, a product line infrastructure must cover various systems. This is the significant difference to usual software systems and the reason for additional requirements on the various assets present during software product line engineering. It is imperative that they support the description of the product line as a whole, as well as its instantiation for the derivation of individual products.
Literature has already addressed how to create and instantiate generic product line assets, such as domain models and architectures to generate instance specific ones [1, 2, 3], yet little attention has been given on how to actually deal with this genericity at the code level.
This paper addresses the issue of handling product line variability at the code level. To this end various implementation approaches are examined with respect to their use in a product line context.