/*
 * This class represents a simple tree element. It is only used for
 * the 'shortest paths' routine as a simple way to store paths in a
 * (hopefully) efficient manner.
 */

/*

# Copyright 2002 Damian Steer, Libby Miller
#
# 
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

*/


public class TElement
{
    TElement parent;
    TNode node;
    TEdge edge;

    public TElement(TNode node, TElement parent)
    {
	this.node = node;
	this.parent = parent;
    }

    public TElement(TNode node, TElement parent, TEdge edge)
    {
	this.node = node;
	this.parent = parent;
	this.edge = edge;
    }

    public TNode node()
    {
	return node;
    }

    public TElement parent()
    {
	return parent;
    }

    public TEdge edge()
    {
	return edge;
    }

}