https://omrr.no/tags/reverse-engineering/Recent content in Reverse-Engineering on Ole M.R. RabanalHugoen-USSat, 01 Oct 2022 00:00:00 +0000https://omrr.no/projects/integration-platform-recovery/Sat, 01 Oct 2022 00:00:00 +0000https://omrr.no/projects/integration-platform-recovery/<p>A food company was building a new integration platform for products delivered by subcontractors. The system it was replacing was live, unversioned, and the only remaining record of a large amount of business logic.</p> <h2 id="context">Context</h2> <p>August to October 2022, through Sopra Steria.</p> <p>The legacy system had to move, but a great deal of its business logic was not easy to reach. The deployed Java was unversioned — no history to read and no intermediate states to compare, so the reasoning behind any given behaviour was not recoverable from the code alone. Alongside it sat databases whose stored procedures also needed investigating and documenting. The logic had to be improved and optimised on the way out, not simply transcribed.</p>