code: public static ObjectGraphNode dump(final Object obj) {
  		ObjectGraphDump dump = new ObjectGraphDump(false, true);
  		ObjectGraphNode root = new ObjectGraphNode(++dump.nodeCount, null, obj.getClass().getName(),
  				obj);
  		dump.visit(root);
  
  		return root;
  	}
docs: Dumps the contents of the session attributes.
  
  @param obj the object to dump.
  @return the dump of the given object.