Affiliation:
1. Instituto de Informática, UFRGS, Porto Alegre, Brazil
Abstract
Despite the growing adoption of object-relational mapping frameworks, UML and its most widespread extensions do not represent these mappings in a platform independent way. Maintaining mappings scattered in the code is difficult and error prone, specially if the schema is large and serves several systems. This paper proposes ENORM, a notation that extends class models representing all the essential mappings. ENORM is platform independent, providing a meta-model based on design patterns employed by three frameworks of Java, Ruby, and Python languages. An empirical evaluation indicates that ENORM performs well in comparison to separated models.
Publisher
Association for Computing Machinery (ACM)
Subject
Information Systems,Software
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