Composing different features in a software system may lead to conflicting situations. The presence of one feature may interfere with the correct functionality of another feature, resulting in an incorrect behavior of the system. In this work we present an approach to manage feature interactions. A formal model, using Finite State Machines (FSM) and Aspect-Oriented (AO) technology, is used to specify, detect and resolve features interactions. In fact aspects can resolve interactions by intercepting the events which causes troubleshoot. Also a Domain-Specific Language (DSL) was developed to handle Finite State Machines using a pattern matching technique.
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