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Havinga, W.K. and Bergmans, L.M.J. and Akşit, M.
(2010)
A Model for Composable Composition Operators: Expressing object and aspect compositions with first-class operators.
In: Proceedings of the 9th international conference on Aspect-Oriented Software Development, 15-19 Mar 2010, Rennes and Saint-Malo, France.
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ACM.
ISBN 978-1-60558-958-9
Full text available as: Official URL: http://dx.doi.org/10.1145/1739230.1739248  AbstractA considerable amount of research, especially within the OO and AOSD communities, has focused on understanding the potential and limitations of various composition techniques. This has led to a large amount of proposals for alternative composition techniques, including many variations of message dispatch, inheritance, and aspect mechanisms. This paper makes the case that there is no single perfect composition technique that suits every situation, since different techniques incur different trade-offs.
The proper composition technique to use depends on the particular design problem and its requirements (e.g. w.r.t. adaptability, reusability, understandability, robustness, etc. of the various elements of the design). However, most programming languages limit the available composition techniques to a very few. To address this, we propose a novel composition model. The model provides dedicated abstractions that can be used to express a wide variation of object composition techniques ('composition operators'). Examples include various forms of inheritance, delegation, and aspects. The proposed model unifies objects (with encapsulated state and a message interface) and composition operators; composition operators are specified as first-class citizens. Multiple composition operators can be combined within the same application, and composition operators can even be used to compose new composition operators from existing ones. This opens new possibilities for developing domain-specific composition operators, taxonomies of composition operators, and for reuse and refinement of composition operators. To validate and experiment with the proposed model, we have designed and implemented a simple language, that we also use in this paper to show concrete examples. | Item Type: | Conference or Workshop Paper (Full Paper, Talk) |
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| Research Group: | EWI-SE: Software Engineering |
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| Research Program: | CTIT-DSN: Dependable Systems and Networks |
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| ID Code: | 17021 |
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| Status: | Published |
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| Deposited On: | 06 April 2010 |
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| Refereed: | Yes |
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| International: | Yes |
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| More Information: | statisticsmetis |
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