Journal
JOURNAL OF SYSTEMS AND SOFTWARE
Volume 149, Issue -, Pages 285-304Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jss.2018.12.011
Keywords
Aspect-oriented modernization; Knowledge discovery metamodel; Legacy systems; Heavyweight extension; Lightweight extension; OMG
Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001, 88881.131912/2016/0]
- CONICYT (Chile) [72170024]
- FAPESP [2016/03104-0]
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Crosscutting concerns are an intrinsic problem of legacy systems, hindering their maintenance and evolution. A possible solution is to modernize these systems employing aspect-orientation, which provides suitable abstractions for modularizing these kind of concerns. Architecture-Driven Modernization is a more specific kind of software reengineering focused on employing standard metamodels along the whole process, promoting interoperability and reusability across different tools/vendors. Its main metamodel is the Knowledge Discovery Metamodel (KDM), which is able to represent a significant amount of system details. However, up to this moment, there is no extension of this metamodel for aspect-orientation, preventing software engineers from conducting Aspect-Oriented Modernizations. Therefore, in this paper we present our experience on creating a heavyweight and a lightweight extension of KDM for aspect orientation. We conducted two evaluations. The first one showed all aspect-oriented concepts were represented in both extensions. The second one was a experiment, in which we have analyzed the productivity of software engineers using both extensions. The results showed that the heavyweight extension propitiate a more productive environment in terms of time and number of errors when compared to the lightweight one. (C) 2018 Published by Elsevier Inc.
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