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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 {
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  }