Abstract

AOP systems   evolvability   is   severely   affected   by   the   tight coupling between aspects and base code. This paper identifies the advice fragility problem,  originated in the advice’s need to access the application context while being oblivious to base code details. Proposed solutions   to   the   pointcut   fragility   problem   have generally put   forward   various   mechanisms   that   decouple   base code from aspects using some intermediate abstraction layer. We build on   top   of   those   proposals,   introducing   the   concept   of modelbased aspects,  and present a new version of our semantic pointcut framework,  constituting a practical approach to address the advice fragility problem. Since the very inception of the AOSD family of concepts and technologies,   the   degree   to   which   socalled   aspectoriented

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