Reference : Usage and testability of AOP: An empirical study of AspectJ
Scientific journals : Article
Engineering, computing & technology : Computer science
http://hdl.handle.net/10993/25153
Usage and testability of AOP: An empirical study of AspectJ
English
Munoz, F. [INRIA/IRISA, Campus de Beaulieu, 35042 Rennes, Cedex, France]
Baudry, B. [INRIA/IRISA, Campus de Beaulieu, 35042 Rennes, Cedex, France]
Delamare, R. [University of Alabama, Department of Computer Science, Tuscaloosa, AL, United States]
Le Traon, Yves mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC)]
2013
Information and Software Technology
55
2
252-266
Yes (verified by ORBilu)
International
09505849
[en] Aspect-oriented programming ; Empirical analysis ; Metrics ; Aspect-J ; Aspect-oriented ; Current status ; Degree of coupling ; Description languages ; Empirical studies ; Global coupling ; Key technologies ; Open source projects ; Partial failure ; Pointcut ; Software maintainability ; Testability ; Information systems ; Software engineering ; Aspect oriented programming
[en] Context: Back in 2001, the MIT announced aspect-oriented programming as a key technology in the next 10 years. Nowadays, 10 years later, AOP is still not widely adopted. Objective: The objective of this work is to understand the current status of AOP practice through the analysis of open-source project which use AspectJ. Method: First we analyze different dimensions of AOP usage in 38 AspectJ projects. We investigate the degree of coupling between aspects and base programs, and the usage of the pointcut description language. A second part of our study focuses on testability as an indicator of maintainability. We also compare testability metrics on Java and AspectJ implementations of the HealthWatcher aspect-oriented benchmark. Results: The first part of the analysis reveals that the number of aspects does not increase with the size of the base program, that most aspects are woven in every places in the base program and that only a small portion of the pointcut language is used. The second part about testability reveals that AspectJ reduces the size of modules, increases their cohesion but also increases global coupling, thus introducing a negative impact on testability. Conclusion: These observations and measures reveal a major trend: AOP is currently used in a very cautious way. This cautious usage could come from a partial failure of AspectJ to deliver all promises of AOP, in particular an increased software maintainability. © 2012 Elsevier B.V. All rights reserved.
http://hdl.handle.net/10993/25153
10.1016/j.infsof.2012.08.003

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