Effective Language Support for Aspectual Behavior Decomposition

D. Liang and Y. Guo (USA)


Aspect-Oriented,SoftwareDesign,Program ming Language.


Aspects are proposed as a new program abstraction to achieve better separation of concerns during software de sign. Although many aspect-oriented programing (AOP) techniques have been proposed, the conceptual framework for characterizing the design problems that can be solved using aspects is not well formulated. The lack of a well formulated framework makes it difficult for software de velopers to identify the places where aspects can be best used; it also makes it difficult to evaluate and to improve the AOP techniques. In this paper, we propose to formulate a conceptual framework with the concept of collaborating behaviors. Based on this perspective, we discuss the con cept of aspectual behavior decomposition and the limita tions with the existing AOP techniques in supporting such a decomposition strategy. We also give an overview of a new AOP technique that illustrates how some of these lim itations can be overcome.

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