Support for distributed adaptations in aspect-oriented middleware

Many aspect-oriented middleware platforms support run-time aspect weaving, but do not support coordinating distributed changes to a set of aspects at run-time. A distributed change entails weaving or unweaving multiple inter-dependent aspects that are logically or physically distributed. Coordinating such multiple weavings inside the application layer is a complex and difficult task for the application developer, because global state consistency, structural integrity and other safety properties have to be preserved. In this paper, we present the DyReS framework that offers the required coordination support on top of existing aspect-oriented middleware platforms. The framework is customizable towards application-specific requirements to achieve improved performance and reconfiguration semantics. We have validated our approach by delivering and examining two implementations of the DyReS framework: one on top of JBoss AOP and a second one for Spring AOP.

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