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The framework implements UML statecharts in Java. Next to standard elements, hierarchical and concurrent states are as well supported as pseudostates, segmented transitions, timed events and an eventqueue for dispatching events asynchronously.
This is an Hierarchical State Machine (aka Statechart) engine written in Java (1.5 +) Actually we will develop only support for a subset of UML 2.0 semantics but, in future, we hope to add support for other semantics.