Evènement pour le groupe Séminaire du LaBRI

Date 2009-11-19  14:00-15:00
TitreSém LaBRI. Context-oriented Programming 
RésuméThere is an increased need for applications that can dynamically adjust their behavior to the context of use. Three years ago, we have introduced Context-oriented Programming (COP) by developing a number of extensions to languages such as Common Lisp, Smalltalk and Java. In COP, programs consist of partial class and method definitions that can be selected and composed at runtime as needed. Employing potentially crosscutting runtime adaptations to class and method definitions, COP encourages continually adjusting behavior of programs according to their context. Since then, we have carried out a number of successful application and language experiments which show that the basic building blocks of COP remain stable. Among others, we have implemented multiple context-dependent views, coordination of screen updates, context-dependent discerning of phone calls, and selecting context-dependent billing schemes. We have also taken first steps towards the design and requirements engineering stages for context-aware applications. Furthermore, our ideas have been picked up in large-scale industrial settings. This talk introduces the basic language constructs for COP, shows some non-trivial examples, discusses the impact of COP so far, and sketches some promising next steps in the field of COP. Pascal Costanza has a Ph.D. degree from the University of Bonn, Germany, and works as a research assistant at the Software Languages Lab of the Vrije Universiteit Brussel, Belgium. His past involvements include specification and implementation of the languages Gilgul and Lava, and the design and application of the JMangler framework for load-time transformation of Java class files. He has also implemented ContextL, the first programming language extension for Context-oriented Programming based on CLOS, and aspect-oriented extensions for CLOS. 
LieuAmphi LaBRI 
OrateurPascal Costanza 
UrlVrije Universiteit Brussel 

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