private:
bool addNodeEdge(CycleNode *fromnode, CycleNode *tonode);
void putNode(const ModelAction *act, CycleNode *node);
+ void putNode(const Promise *promise, CycleNode *node);
+ void erasePromiseNode(const Promise *promise);
CycleNode * getNode(const ModelAction *act);
CycleNode * getNode(const Promise *promise);
CycleNode * getNode_noCreate(const ModelAction *act) const;