Cohesion-Driven Decomposition of Service Interfaces Without Access to Source Code

Abstract : Software cohesion concerns the degree to which the elements of a module belong together. Cohesive software is easier to understand, test and maintain. Improving cohesion is the target of several refactoring methods that have been proposed until now. These methods are tailored to operate by taking the source code into consideration. In the context of service-oriented development, cohesion refers to the degree to which the operations of a service interface belong together. In this context, we propose an approach for the cohesion-driven decomposition of service interfaces. The very philosophy of services dictates that all that is exported by a service is the service specification. Hence, our approach for the cohesion-driven decomposition of service interfaces is not based on how the services are implemented. Instead, it relies only on information provided in the specification of the service interfaces. We validate the approach in 22 real-world services provided by Amazon and Yahoo. We show the effectiveness of the proposed approach, concerning the cohesion improvement and the size of the produced decompositions. Moreover, we show that the proposed approach is useful, by conducting a user study, where developers assessed the quality of the produced decompositions.
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https://hal.inria.fr/hal-00866222
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Submitted on : Thursday, September 26, 2013 - 12:16:11 PM
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Dionysis Athanasopoulos, Apostolos Zarras, George Miskos, Valérie Issarny, Panos Vassiliadis. Cohesion-Driven Decomposition of Service Interfaces Without Access to Source Code. 2013. ⟨hal-00866222⟩

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