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Dynamically Composable Collaborations with Delegation Layers

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ECOOP 2002 — Object-Oriented Programming (ECOOP 2002)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2374))

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Abstract

It has been recognized in several works that a slice of behavior affecting a set of collaborating classes is a better unit of reuse than a single class. Different techniques and language extensions have been suggested to express such slices in programming languages. We propose delegation layers, an approach that scales the OO mechanisms for single objects, such as delegation, late binding, and subtype polymorphism, to sets of collaborating objects. Technically, delegation layers combine and generalize delegation and virtual class concepts. Due to their runtime semantics, delegation layers are more flexible than previous compile time approaches like mixin layers.

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Author information

Authors and Affiliations

  1. Siemens AG, CT SE 2, D-81730, Munich, Germany

    Klaus Ostermann

Authors
  1. Klaus Ostermann
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Editor information

Editors and Affiliations

  1. Department of Computer Science, University of Lund, Box 118, 211 00, Lund, Sweden

    Boris Magnusson

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© 2002 Springer-Verlag Berlin Heidelberg

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Ostermann, K. (2002). Dynamically Composable Collaborations with Delegation Layers. In: Magnusson, B. (eds) ECOOP 2002 — Object-Oriented Programming. ECOOP 2002. Lecture Notes in Computer Science, vol 2374. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-47993-7_4

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  • DOI: https://doi.org/10.1007/3-540-47993-7_4

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-43759-8

  • Online ISBN: 978-3-540-47993-2

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