DE NICE - SOPHIA ANTIPOLIS - UFR Sciences

A component is a self contained entity that interacts with its environment through well-definedinterfaces. The component library Fractive provides high level primitives and semantics for program-ming Java applications with distributed, asynchronous and hierarchical components. It also providesa separation between functional and non-functional aspects, the latter allows the execution control ofa component and its dynamic evolution.In this thesis, we provided a formal framework to ensure that the applications built from Fractivecomponents are safe. Safe, in the sense that each component must be adequate to its assigned rolewithin the system, and the update or replacement of a component should not cause deadlocks or failuresto the system. We introduced a new intermediate format extending the networks of communicatingautomata, by adding parameters to their communication events and processes.Then, we used this intermediate format to give behavioural specifications of Fractive applications.We assumed the models of the primitive components as known (given by the user or via static analysis).Using the component description, we built a controller describing the component’s non-functionalbehaviour. The semantics of a component is then generated as the synchronisation product of: itsLTSs sub-components and the controller. The resulting system can be checked against requirementsexpressed in a set of temporal logic formulas, as illustrated in the thesis report. Spécification et Vérification formelles des Systèmes de Composants Répartis