Integration of application business logic and business rules with DSL and AOP

Authors:
Bogumiła Hnatkowska;Krzysztof Kasprzyk
Affiliations:
Wroclaw University of Technology, Wroclaw, Poland;Wroclaw University of Technology, Wroclaw, Poland
Venue:
CEE-SET'09 Proceedings of the 4th IFIP TC 2 Central and East European conference on Advances in Software Engineering Techniques
Year:
2009

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Abstract

Business processes and business rules are implemented in almost all enterprise systems. Approaches used today to their implementation are very sensitive to changes. In the paper authors propose to separate business logic layer from business rule layer by introducing an integration layer. The connections between both parts are expressed in a dedicated for that purpose domain specific language (DSL). The definitions in DSL are further translated into working source code. The proof-of-concept implementation of the integration layer was done in the aspect oriented language (AOP) --- AspectJ. The AOP was selected because it fits well to encapsulate scattered and tangled source code implementing the connections between business logic and business rules with the source code implementing core business logic.