src/main/java/org/jboss/util/graph/Vertex.java
public boolean remove(Edge<T> e)
   {
      if (e.getFrom() == this)
         outgoingEdges.remove(e);
      else if (e.getTo() == this)
         incomingEdges.remove(e);
      else 
         return false;
      return true;
   }
public boolean remove(Edge<T> e)
   {
      if (e.getFrom() == this)
         outgoingEdges.remove(e);
      else if (e.getTo() == this)
         incomingEdges.remove(e);
      else 
         return false;
      return true;
   }
Remove an edge from this vertex

@param e - the edge to remove
@return true if the edge was removed, false if the
edge was not connected to this vertex