typedef std::set< node_ptr_t > node_set_t;
typedef std::list< node_ptr_t > node_list_t;
+/** A node on our processing graph, ie a Route */
class GraphNode
{
public:
boost::shared_ptr<Graph> _graph;
gint _refcount;
+ /** The number of nodes that we directly feed us (one count for each chain) */
gint _init_refcount[2];
};