src/main/java/org/jboss/util/graph/Vertex.java
public Edge<T> findEdge(Edge<T> e)
   {
      if (outgoingEdges.contains(e))
         return e;
      else
         return null;
   }
public Edge<T> findEdge(Edge<T> e)
   {
      if (outgoingEdges.contains(e))
         return e;
      else
         return null;
   }
Search the outgoing edges for a match to e.

@param e - the edge to check
@return e if its a member of the outgoing edges, null
otherwise.