Extracting Business Logic from Existing COBOL Programs as a Basis for Redevelopment

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IWPC '01 Proceedings of the 9th International Workshop on Program Comprehension
Year:
2001

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Abstract

Abstract: The following paper describes an industrial pilot study carried out to regain the business knowledge embedded in a legacy COBOL application. The goal of the project was to ween out the information required to re-implement the ancient host programs in a new client/server environment. The solution followed a four step progress. First, the programs were restructured, secondly the programs were sliced into business logic modules, third the business modules were subjected to a multi view analysis and finally the views were integrated into a unified documentation describing the data, decision and procedural flow of each program slice.