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Summary: LJAR
: A Model of Refactoring Physically and
Virtually Separated Features
Christian Kästner
School of Computer Science
University of Magdeburg, Germany
kaestner@iti.cs.uni-magdeburg.de
Sven Apel
Department of Informatics and Math.
University of Passau, Germany
apel@uni-passau.de
Martin Kuhlemann
School of Computer Science
University of Magdeburg, Germany
kuhlemann@iti.cs.uni-magdeburg.de
Abstract
Physical separation with class refinements and method refinements à la AHEAD
and virtual separation using annotations à la #ifdef or CIDE are two competing
groups of implementation approaches for software product lines with complemen-
tary advantages. Although both groups have been mainly discussed in isolation,
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