An aspect-oriented framework for schema evolution in object-oriented databases (2002) [4 citations — 2 self]
Abstract:
ABSTRACT 1 Persistent objects in an object database need to be adapted, either by physical conversion or wrapping, when the schema is changed to fix bugs or meet new requirements. Object database schema evolution introduces a number of concerns into the system, such as adaptation rules, the choice between conversion or wrapping, and backward compatibility. Our research aims to allow strategies for addressing such concerns to be dynamically replaced or altered for an existing, running database. An early prototype evolution framework has been developed as an interpreter for a custom object-oriented language, written in AspectJ. This position paper discusses some areas where aspects have been used to separate concerns, and suggests other concerns in the framework which are likely to benefit from an aspect-oriented approach. The concerns discussed include: selective lazy evaluation, contracts, metacrosscutting, and the maintenance of custom version-specific extents. 1.
Citations
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