| OCL as a Speci cation Language for Business Rules in Database Applications (2008) | |||||||||||||||
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| Abstract. Business rules are often speci ed only implicitly by applications to express user-de ned constraints. OCL provides the chance to explicitly and automatically deal with business rules when building object-oriented applications. We investigate how OCL constraints can be handled in database applications as one of the most important kind of business applications. Based on our OCL toolset prototype and earlier research work we particularly experiment withvarious strategies for the evaluation of OCL constraints in object-oriented applications which use relational databases. For this work, a exible SQL code generator is needed which can be used and adapted for di erent relational database systems and di erent object-to-table mappings. We implement such a database tool as an additional module for our OCL toolset using XML techniques. 1 | |||||||||||||||
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