| Roland T. Mittermeir, Ren'e R. Klosch, and Harald C. Gall. Object recovery from procedural systems for changing the architecture of applications. In Proceedings of the 3rd International Conference on Software Integration, pages 148--157, 1994. (cited on page 15) |
....their results that their methodology is still far from mature. Mittmeier, Klosch, and Gall take the view that reengineering of legacy applications cannot be performed successfully purely at the source code level, that transformations must be made at the architectural level. They describe a method [55] for examining a procedural system and extracting, with domain expert assistance, an object oriented design of the system. Still in the object oriented field, but taking on different goals than the systems cited above, is the research reported in Opdyke s doctoral thesis [59] His goal was to ....
Roland T. Mittermeir, Ren'e R. Klosch, and Harald C. Gall. Object recovery from procedural systems for changing the architecture of applications. In Proceedings of the 3rd International Conference on Software Integration, pages 148--157, 1994. (cited on page 15)
....preserves the integrity constraints if: C s (O s ) C t s (O t ) C t (O t ) i.e. if O s satises C s then O t satises C t and C t s , where C t s is C s rewritten according to the target structure ivocabularyj. 6. 2 Data Integration in a Migration Process A legacy system migration process [15, 20, 19] may be used to produce an integrated information system or to adapt an existing information system to a new information technology. The process may be performed according to the following generic steps: 11 (i) Abstract data and functions from existing data and application programs (Reverse ....
R.T. Mittermeir, R.R. Kl#sch, and H.C. Gall. Object Recovery from Procedural Systems for Changing the Architecture of Applications. In Proceedings of the International Conference on Systems Integration, ICSI'94, pages 148157, S#o Paulo, Brazil, August 1994. IEEE Comp. Society Press.
....representation in the legacy systems to their abstract representation. 10] relies on a generic extended entity relationship data model and in [5] a suite of tools in DESIRE (DESign Information Recovery Environment) produces human oriented formulations of what a program is supposed to do. In [14], the objective is to identify objects (in the sense of the object oriented paradigm) within Pascal programs in order to make them migrate toward an object oriented technology. 14] uses AEow charts, data AEow diagrams, entity relationship diagrams and two object oriented representation models: ....
....Information Recovery Environment) produces human oriented formulations of what a program is supposed to do. In [14] the objective is to identify objects (in the sense of the object oriented paradigm) within Pascal programs in order to make them migrate toward an object oriented technology. [14] uses AEow charts, data AEow diagrams, entity relationship diagrams and two object oriented representation models: i) the Reverse generated object oriented Application Model that derives from the identi ed functions and the entity relationship diagram and (ii) the Forward generated ....
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R.T. Mittermeir, R.R. Kl#sch, and H.C. Gall. Object Recovery from Procedural Systems for Changing the Architecture of Applications. In Proceedings of the International Conference on Systems Integration, ICSI'94, pages 148157, S#o Paulo, Brazil, August 1994. IEEE Comp. Society Press.
....they concentrate on recovering the database structure only. In this paper we go one step further and include the system functions and the object behavior into the database redesign process as well. Althgough the authors focus on the reverse engineering of source conde our work is also related to [15] in which a methodology to migrate software systems from procedural architectures to object oriented is proposed. Our work is only slightly related to object oriented models for application design, such as the Booch method [16] Object Ory [17] Responsibility Driven Design [18] and OMT [19] ....
R. Mittermeir, R. R. Kloesch, H. C. Gall. Object Recovery from Procedural Systems for Changing the Architecture of Applications. Proc. 3rd. Int. Conf. on Systems Integration (ICSI'94).
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