1 /*
2 *
3 * The DbUnit Database Testing Framework
4 * Copyright (C)2005, DbUnit.org
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21 package org.dbunit.util.search;
22
23 /**
24 * A bidirectional edge on the graph to be searched.<br>
25 * It must implement <code>Comparable</code> so the
26 * <code>ISearchCallback</code> can properly order the dependencies of a node
27 * (so, typically, the implementations will compare the <code>getTo()</code>
28 * node).
29 *
30 * @author Felipe Leme (dbunit@felipeal.net)
31 * @version $Revision$
32 * @since Aug 25, 2005
33 */
34 public interface IEdge extends Comparable<Object> {
35
36 /**
37 * Get the node this edge originates from.
38 *
39 * @return node this edge originates from.
40 */
41 Object getFrom();
42
43 /**
44 * Get the node this edge points to.
45 *
46 * @return node this edge points to.
47 */
48 Object getTo();
49
50 }