| Technical Report 157 Checking OCL Constraints in Distributed Component Based Systems (2007) | |||||||||||||||
Abstract | |||||||||||||||
| We present a pragmatic approach using formal methods to increase the quality of distributed component based systems: Based on UML class diagrams annotated with OCL constraints, code for runtime checking of components in J2EE/EJB is automatically generated. Thus, a UML–model for a component can be used in a black–box test for the component. Further we introduce different design patterns for EJBs, which are motivated by different levels of abstraction, and show that these patterns work smoothly together with our OCL constraint checking. A prototypic implementation of the code generator, supporting our design patterns | |||||||||||||||
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