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.common;
17
18 import java.io.IOException;
19
20 import org.qedeq.kernel.se.config.QedeqConfig;
21
22 /**
23 * State changing methods for the kernel.
24 *
25 * @author Michael Meyling
26 */
27 public interface KernelState extends KernelServices {
28
29 /**
30 * Kernel initialisation.
31 *
32 * @param config Configuration access.
33 * @param moduleServices Various kernel services are supported here.
34 * @param basic Basic kernel properties.
35 * @throws IOException Initialisation failed.
36 */
37 public void init(QedeqConfig config, ServiceModule moduleServices, KernelProperties basic)
38 throws IOException;
39
40 /**
41 * Start the kernel.
42 *
43 */
44 public void startup();
45
46 /**
47 * Closes the kernel.
48 */
49 public void shutdown();
50
51 }
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