Restructuring OODesigner: a CASE tool for OMT

This report describes our experience acquired when we restructured OODesigner, a computer aided software engineering (CASE) tool for object modeling techniques (OMT). We had developed the version 1.x of OODesigner during 3 years since 1994. Although we had developed this version using OMT and C++, we recognized the potential maintenance problem that originated from the ill-designed class architecture. Thus we totally restructured the old version of OODesigner during 12 months, and obtained a new version that is much easier to maintain than the old one