01: /*
02: *
03: * The DbUnit Database Testing Framework
04: * Copyright (C)2005, DbUnit.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * 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: 493 $
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: }
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