01 /* This file is part of the project "Hilbert II" - http://www.qedeq.org
02 *
03 * Copyright 2000-2013, Michael Meyling <mime@qedeq.org>.
04 *
05 * "Hilbert II" is free software; you can redistribute
06 * it and/or modify it under the terms of the GNU General Public
07 * License as published by the Free Software Foundation; either
08 * version 2 of the License, or (at your option) any later version.
09 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 package org.qedeq.kernel.bo.log;
17
18 import org.qedeq.kernel.bo.common.QedeqBo;
19
20
21 /**
22 * Interface for an QEDEQ module event listener.
23 *
24 * @author Michael Meyling
25 */
26 public interface ModuleEventListener {
27
28 /**
29 * Add module.
30 *
31 * @param prop add module with this properties.
32 */
33 public void addModule(final QedeqBo prop);
34
35
36 /**
37 * Module properties (i.e. the status) have changed.
38 *
39 * @param prop The state of this module changed.
40 */
41 public void stateChanged(final QedeqBo prop);
42
43
44 /**
45 * Remove module.
46 *
47 * @param prop This module was removed.
48 */
49 public void removeModule(final QedeqBo prop);
50
51 }
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