Migration of Persistent Object Models Using XMI

Migration of Persistent Object Models Using XMI

Rainer Fromming (4Soft GmbH, Germany) and Andreas Rausch (Technische Universitat Kaiserslautern, Germany)
Copyright: © 2005 |Pages: 13
DOI: 10.4018/978-1-59140-621-1.ch005
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Embrace the change! Change is a constant reality of software development, a reality that must be reflected in not only our software process but also our software production environment. With ever-changing customer requirements, modifications to the object model are required during software development as well as after product distribution. The associated migration of existing persistent object data is a nontrivial problem. This chapter presents the conceptualization and implementation of a tool for the automated migration of persistent object models. The migration is controlled by an XMI-based description of the difference between the old and the new object model. Both, the schema and the data of the persistent object model are migrated efficiently and reliably.

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