Abstract
The separation between computation and coordination, as proposed by recent languages and models [7], has opened important new perspectives for supporting extendibility of systems, i.e. the possibility of adapting software systems to changes in requirements in an easy way. The evolutionary model that we have been developing is based on the representation of the more volatile aspects of the application domain like business rules as connectors whose purpose is to coordinate the interaction among core, more stable, components. The idea is that, in this way, evolution can be made to be compositional over the changes that occur in the application domain through the addition, deletion or substitution of connectors, without interfering with the services provided by the core objects of the system.
On leave at (2) from (3) with the support of Fundação para a Ciência e Tecnologia and the EPSRC.
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Andrade, L.F., Fiadeiro, J.L., Gouveia, J., Lopes, A., Wermelinger, M. (2000). Patterns for Coordination. In: Porto, A., Roman, GC. (eds) Coordination Languages and Models. COORDINATION 2000. Lecture Notes in Computer Science, vol 1906. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45263-X_22
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DOI: https://doi.org/10.1007/3-540-45263-X_22
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