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Enriching MATLAB with aspect-oriented features for developing embedded systems
Cardoso, João M. P.; Fernandes, João M.; Monteiro, Miguel Pessoa; Carvalho, Tiago; Nobre, RicardoThis article presents an approach to enrich the MATLAB language with aspect-oriented modularity features, enabling developers to experiment different implementation characteristics and to acquire runtime data and traces without polluting their base MATLAB code. We propose a language through which programmers configure the low-level data representation of variables and expressions. Examples include specifically-...
An illustrative example of refactoring object-oriented source code with aspect-...
Monteiro, Miguel Pessoa; Fernandes, João M.This paper describes a refactoring process that transforms a Java source code base into a functionally equivalent AspectJ source code base. The process illustrates the use of a collection of refactorings for aspect-oriented source code, covering the extraction of scattered implementation elements to aspects, the internal reorganization of the extracted aspects and the extraction of commonalities to super-aspects.
Aspect oriented pluggable support for parallel computing
Sobral, João Luís Ferreira; Cunha, Carlos A.; Monteiro, Miguel PessoaIn this paper, we present an approach to develop parallel applications based on aspect oriented programming. We propose a collection of aspects to implement group communication mechanisms on parallel applications. In our approach, parallelisation code is developed by composing the collection into the application core functionality. The approach requires fewer changes to sequential applications to parallelise th...
Reusable aspect-oriented implementations of concurrency patterns and mechanisms
Sobral, João Luís Ferreira; Cunha, Carlos A.; Monteiro, Miguel PessoaIn this paper, we present a collection of well-known high-level concurrency patterns and mechanisms, coded in AspectJ. We discuss benefits of these implementations relative to plain Java implementations of the same concerns. We detect benefits from using AspectJ in all the cases presented, in the form of higher modularity, reuse, understandability and unpluggability. For most of the implementations, two alterna...
Towards a catalogue of refactorings and code smells for AspectJ
Fernandes, João M.; Monteiro, Miguel PessoaIn this paper, we contribute to the characterisation of a programming style specific to aspect-oriented programming. For this purpose, we present a collection of refactorings for aspect-oriented source code, comprising refactorings to enable extraction to aspects of crosscutting concerns from object-oriented legacy code, the subsequent tidying up of the extracted aspects and factoring out of common code from si...
Towards a catalog of aspect-oriented refactorings
Monteiro, Miguel Pessoa; Fernandes, João M.Comunicação aprovada à International Conference on Aspect-Oriented Software Development (AOSD), 4, Chicago, 2005. ; In this paper, we present a collection of aspect-oriented refactorings covering both the extraction of aspects from object-oriented legacy code and the subsequent tidying up of the resulting aspects. In some cases, this tidying up entails the replacement of the original implementation with a diff...
Refactoring a java code base to aspectJ : an illustrative example
Monteiro, Miguel Pessoa; Fernandes, João M.This paper describes a refactoring process transforming a Java code base into an AspectJ equivalent. The process illustrates 17 aspect-oriented refactorings covering extraction of implementation elements to aspects, internal reorganization of extracted aspects, and extraction of commonalities to superaspects.
Refactorings to evolve object-oriented systems with aspect-oriented concepts
Monteiro, Miguel PessoaTese de doutoramento em Informática. ; Software engineering tools should support complete separation of concerns, by enabling the deployment of each different concern in its own unit of modularity. Unfortunately, current tools and languages – including those supporting the object-oriented programming paradigm – fail to provide a complete and effective support for the separation of all concerns. Undesirable phe...
Pitfalls of aspectJ implementations of some of the gang-of-four design patterns
Monteiro, Miguel Pessoa; Fernandes, João M.For the previous edition of this workshop [8], the authors wrote a paper presenting the aims of the first author’s Ph.D. project [13], which includes the development of a catalogue of refactorings [3] for the AspectJ programming language [1]. Case studies are be used for refactoring experiments, to gain the necessary insights. In this paper, we present several considerations on some code examples in AspectJ [10...
Some thoughts on refactoring objects to aspects
Monteiro, Miguel Pessoa; Fernandes, João M.The prospect of aspect-orientation receiving widespread acceptance and adoption in the near future begs the question of how to deal with a large base of object-oriented legacy code. We propose to investigate refactoring techniques for restructuring object-oriented source code so that it can leverage the mechanisms of aspect-orientation in order to become easier to adapt, extend and evolve. Our approach is to ad...
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