Lecture Notes in Computer Science 2323 Edited by G. Goos, J. Hartmanis, and J. van Leeuwen

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1 Lecture Notes in Computer Science 2323 Edited by G. Goos, J. Hartmanis, and J. van Leeuwen

2 3 Berlin Heidelberg New York Barcelona Hong Kong London Milan Paris Tokyo

3 Ákos Frohner (Ed.) Object-Oriented Technology ECOOP 2001 Workshop Reader ECOOP 2001 Workshops, Panel, and Posters Budapest, Hungary, June 18-22, 2001 Proceedings 13

4 Series Editors Gerhard Goos, Karlsruhe University, Germany Juris Hartmanis, Cornell University, NY, USA Jan van Leeuwen, Utrecht University, The Netherlands Volume Editor Ákos Frohner CERN, 31R Genève, Switzerland Cataloging-in-Publication Data applied for Die Deutsche Bibliothek - CIP-Einheitsaufnahme Object oriented technology : ECOOP 2001 workshop reader ; ECOOP 2001 workshops, panels, and posters, Budapest, Hungary, June 18-22, 2001 / Ákos Frohner (ed.). - Berlin ; Heidelberg ; New York ; Barcelona ; Hong Kong ; London ; Milan ; Paris ; Tokyo : Springer, 2002 (Lecture notes in computer science ; Vol. 2323) ISBN CR Subject Classification (1998): D.1-3, H.2, F.3, C.2, K.4, J.1 ISSN ISBN Springer-Verlag Berlin Heidelberg New York This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag. Violations are liable for prosecution under the German Copyright Law. Springer-Verlag Berlin Heidelberg New York a member of BertelsmannSpringer Science+Business Media GmbH Springer-Verlag Berlin Heidelberg 2002 Printed in Germany Typesetting: Camera-ready by author, data conversion by PTP-Berlin, Stefan Sossna e.k. Printed on acid-free paper SPIN /

5 Preface For the fifth time in its history, in cooperation with Springer-Verlag, the European Conference on Object-Oriented Programming (ECOOP) conference series is glad to offer the object-oriented research community the ECOOP 2001 Workshop Reader, a compendium of workshop reports, panel transcripts, and poster abstracts pertaining to the ECOOP 2001 conference, held in Budapest from 18 to 22 June, ECOOP 2001 hosted 19 high-quality workshops covering a large spectrum of research topics. The workshops attracted 460 participants on the first two days of the conference. Originally 22 workshops were chosen from 26 proposals by a workshop selection committee, following a peer review process. Due to the overlaps in the areas of interest and the suggestions made by the committee six of the groups decided to merge their topics into three workshops. This book contains information on the panel, poster session, and 17 workshop reports, for which we have to thank our workshop organizers, who did a great job in preparing and formatting them. The reports are organized around the main line of discussion, comparing the various approaches and giving a summary on the debates. They also include the list of participants, affiliations, contact information, and the list of contributed position papers. Although they usually do not include abstracts or excerpts of the position papers, they do give useful references to other publications and websites, where more information may be found. Most of the reports are less than 20 pages long, but there are two exceptions: Quality of Service in Distributed Object Systems and Distributed Multimedia Object/Component Systems and Advanced Separation of Concerns. We respected the need here for a larger number of pages, since both workshops attracted a high number of participants and lasted for two days. This book was only possible due to the help of the respective workshop organizers and the panel, poster, and workshop organizers in general. February 2002 Ákos Frohner

6 Organization ECOOP 2001 was organized by the Informatics Department of the Eötvös Loránd University under the auspices of AITO (Association Internationale pour les Technologies Objets) in cooperation with ACM/SIGPLAN. The proceedings of the main conference were published as LNCS Workshop Co-chairs: Ákos Frohner (Eötvös Loránd University) Jacques Malefant (Université de Bretagne Sud) Erzsébet Angster (Dennis Gábor College) Panel Chair: Poster Co-chairs: Tamás Kozsik (Eötvös Loránd University) Viktória Zsók (Eötvös Loránd University) István Juhász (University of Debrecen) Workshop Selection Committee Ákos Frohner (Eötvös Loránd University, Budapest, Hungary) Jacques Malefant (Université de Bretagne Sud, Vannes, France) Erzsébet Angster (Dennis Gábor College, Budapest, Hungary) Sabine Moisan (INRIA Sophia Antipolis, France)

7 Table of Contents 11th Workshop for PhD Students in Object-Oriented Systems... 1 Gilles Ardourel (LIRMM, University of Montpellier, France), Michael Haupt (Institute for Software Technology, Darmstadt University of Technology, Germany), José Luis Herrero Agustín (University of Extremadura, Cáceres, Spain), Rainer Ruggaber (Institute of Telematics, University of Karlsruhe, Germany), Charles Suscheck (TurboPower Software Company, USA) Quality of Service in Distributed Object Systems and Distributed Multimedia Object/Component Systems... 7 László Böszörményi (University Klagenfurt, Austria), Christian Stary (University Linz, Austria), Harald Kosch (University Klagenfurt, Austria), Christian Becker (University Stuttgart, Germany) Formal Techniques for Java Programs Gary T. Leavens (Iowa State University, USA), Sophia Drossopoulou (Imperial College London, Great Britain), Susan Eisenbach (Imperial College London, Great Britain), Arnd Poetzsch-Heffter (FernUniversitaet Hagen, Germany), Erik Poll (University of Nijmegen, The Netherlands) Automating Object-Oriented Software Development Methods Bedir Tekinerdoğan (University of Twente, The Netherlands), Motoshi Saeki (Tokyo Institute of Technology, Japan), Gerson Sunyé (IRISA, France) Pim van den Broek (University of Twente, The Netherlands), Pavel Hruby (Navision Software, Denmark), Adaptive Object-Models and Metamodeling Techniques Nicolas Revault (University of Cergy-Pontoise, France), Joseph W. Yoder (The Refactory Inc., USA) Specification, Implementation, and Validation of Object-Oriented Embedded Systems Sébastien Gerard (CEA, France), Alexandre David (Uppsala University, Sweden), François Terrier (CEA, France) Feature Interaction in Composed Systems Elke Pulvermueller (Universität Karlsruhe, Germany), Andreas Speck (Intershop Research, Germany), James O. Coplien (Bell Laboratories, USA), Maja D Hondt (Vrije Universiteit Brussel, Belgium), Wolfgang De Meuter (Vrije Universiteit Brussel, Belgium)

8 VIII Table of Contents 6th Workshop on Component-Oriented Programming Jan Bosch (University of Groningen, The Netherlands), Clemens Szyperski (Microsoft Research, USA), Wolfgang Weck (Oberon microsystems, Switzerland) Advanced Separation of Concerns Johan Brichau (Vrije Universiteit Brussel, Belgium), Maurice Glandrup (University of Twente, Netherlands), Siobhan Clarke (Trinity College, Ireland), Lodewijk Bergmans (University of Twente, Netherlands) Multiparadigm Programming with OO Languages Kei Davis (Los Alamos National Laboratory, USA), Yannis Smaragdakis (Georgia Institute of Technology, USA), Jörg Striegnitz (John von Neumann Institute for Computing, Juelich, Germany) Generative Programming Barbara Barth (University of Applied Sciences Kaiserslautern, Germany), Greg Butler (Concordia University, Canada), Krzysztof Czarnecki (Daimler- Chrysler Research and Technology, Germany), Ulrich Eisenecker (University of Applied Sciences Kaiserslautern, Germany) 4th Workshop on Object-Oriented Architectural Evolution Tom Mens (Vrije Universiteit Brussels, Belgium), Galal Hassan Galal (University of North London, United Kingdom) 7th Workshop on Mobile Object Systems Ciarán Bryce (University of Geneva, Switzerland), Alexander Romanovsky (University of Newcastle upon Tyne, UK) The Next 700 Distributed Object Systems Eric Jul (University of Copenhagen, Denmark), Andrew Black (Oregon Graduate Institute, USA), Anne-Marie Kermarrec (Microsoft Research, UK), Doug Lea (State University of New York at Oswego, USA), Salah Sadou (Université de Bretagne Sud, France) Quantitative Approaches in Object-Oriented Software Engineering Fernando Brito e Abreu (Universidade Nova de Lisboa, Portugal), Brian Henderson-Sellers (University of Technology Sidney, Australia), Mario Piattini (Universidad de Castilla-La Mancha, Spain), Geert Poels (Katholieke Universiteit Leuven, Belgium), Houari A. Sahraoui (Université de Montréal, Canada) Object-Oriented Business Solutions Rafael Corchuelo and Antonio Ruiz (Universidad de Sevilla, Spain), Jörg R. Mühlbacher (Johannes Kepler Universit"at, Austria), Jesús D. García- Consuegra (Universidad de Castilla-La Mancha, Spain)

9 Table of Contents IX 4th Workshop on OO and Operating Systems Darío Álvarez Gutiérrez (Universidad de Oviedo, Spain), Francisco Ballesteros (Universidad Rey Juan Carlos, Madrid, Spain), and Paniti Netinant (University of Bangkok, Thailand) Panel: The Next 700 Distributed Object Systems Eric Jul (University of Copenhagen, Denmark), Andrew Black (Oregon Graduate Institute, USA), Doug Lea (State University of New York at Oswego, USA), Robert Filman (NASA Ames Research Center, USA), Ian Welch (University of Newcastle, UK) Poster Session Viktória Zsók (Eötvös Loránd University, Hungary), István Juhász (University of Debrecen, Hungary) Author Index...225

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