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Authors: Philippe Dugerdil and Sebastien Jossi

Affiliation: HEG, University of Applied Sciences of Western Switzerland, Switzerland

Keyword(s): Reverse Specification, Dynamic Analysis, Static Analysis, Execution Trace, Branch Condition Analysis.

Related Ontology Subjects/Areas/Topics: Health Engineering and Technology Applications ; Neurocomputing ; Neurotechnology, Electronics and Informatics ; Requirements Elicitation and Specification ; Reverse Engineering ; Software Engineering ; Software Engineering Methods and Techniques

Abstract: During the development of a legacy system reverse engineering method we developed a technique to help with the recovery of the system’s use-cases. In fact, our reverse-engineering method starts with the re-documentation of the system’s use-case by observing its actual users. But these use-cases are never complete and accurate. In particular, the many alternative flows are often overlooked by the users. This paper presents our use-case recovery methodology as well as the techniques we implemented to identify all the flows of the legacy system’s use-case. Starting from an initial use-case based on the observation of the users, we gather the corresponding execution trace by running the system according to this use-case. The analysis of this execution trace coupled with a static analysis of the source code lets us find the possible alternative execution paths of the system. The execution conditions for these paths are analyzed to establish the link to the use-case level. This lets us syn thesize alternative flows for the use-case. Next we run the system again following these alternative flows to uncover possible new alternative paths, until one converges to a stable use-case model. (More)

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Paper citation in several formats:
Dugerdil, P. and Jossi, S. (2010). A LEGACY SYSTEMS USE CASE RECOVERY METHOD. In Proceedings of the 5th International Conference on Software and Data Technologies - Volume 2: ICSOFT; ISBN 978-989-8425-23-2; ISSN 2184-2833, SciTePress, pages 232-237. DOI: 10.5220/0003038602320237

@conference{icsoft10,
author={Philippe Dugerdil. and Sebastien Jossi.},
title={A LEGACY SYSTEMS USE CASE RECOVERY METHOD},
booktitle={Proceedings of the 5th International Conference on Software and Data Technologies - Volume 2: ICSOFT},
year={2010},
pages={232-237},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003038602320237},
isbn={978-989-8425-23-2},
issn={2184-2833},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Software and Data Technologies - Volume 2: ICSOFT
TI - A LEGACY SYSTEMS USE CASE RECOVERY METHOD
SN - 978-989-8425-23-2
IS - 2184-2833
AU - Dugerdil, P.
AU - Jossi, S.
PY - 2010
SP - 232
EP - 237
DO - 10.5220/0003038602320237
PB - SciTePress