Activity-Driven Synthesis of State Machines

The synthesis of object behaviour from scenarios is a well-known and important issue in the transition from system analysis to system design. We describe a model transformation procedure from UML 2.0 interactions into UML 2.0 state machines that focuses, in contrast to existing approaches, on standard synchronous operation calls where the sender of a message waits until the receiver object has executed the requested operation possibly returning a result. The key aspect of our approach is to distinguish between active and inactive phases of an object participating in an interaction. This allows us to generate wellstructured state machines separating “stable” states, where an object is ready to react to an incoming message, and “activity” states which model the computational behaviour of an object upon receipt of an operation call. The translation procedure is formalised, in accordance with the UML 2.0 meta-model, by means stract syntax for scenarios which are first translated i...

• Type: Conference
• Year: 2007
• Where: FASE
• Authors: Rolf Hennicker, Alexander Knapp
• Keywords: FASE 2007, Software Engineering, State Machines, UML 2.0, UML 2.0 State