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1   /* This file is part of the project "Hilbert II" - http://www.qedeq.org" target="alexandria_uri">http://www.qedeq.org
2    *
3    * Copyright 2000-2014,  Michael Meyling <mime@qedeq.org>.
4    *
5    * "Hilbert II" is free software; you can redistribute
6    * it and/or modify it under the terms of the GNU General Public
7    * License as published by the Free Software Foundation; either
8    * version 2 of the License, or (at your option) any later version.
9    *
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.se.base.module;
17  
18  
19  /**
20   * A node carries mathematical knowledge.
21   *
22   * @author    Michael Meyling
23   */
24  public interface Node extends SubsectionType {
25  
26      /**
27       * Get label of node. The node is referenced with this label.
28       *
29       * @return  Returns the label.
30       */
31      public String getId();
32  
33      /**
34       * Get level of node. Higher levels contain additional informations.
35       *
36       * @return  Returns the level.
37       */
38      public String getLevel();
39  
40      /**
41       * Set name of node. Could be used as an readable reference, e.g. "Axiom of Choice".
42       *
43       * @return  Returns the name.
44       */
45      public LatexList getName();
46  
47      /**
48       * Get title of subsection.
49       *
50       * @return  Returns the name.
51       */
52      public LatexList getTitle();
53  
54      /**
55       * Get text before the formula. Get the preceding LaTeX text. This text comes before a
56       * theorem, definition etc. but belongs to this node regards content.
57       *
58       * @return  Returns the preceding LaTeX text.
59       */
60      public LatexList getPrecedingText();
61  
62      /**
63       * Get node content. This is for example a concrete theorem or definition. The main
64       * information of a node could be found here.
65       *
66       * @return  Returns the nodeType.
67       */
68      public NodeType getNodeType();
69  
70      /**
71       * Get text after the formula. Get the succeeding LaTeX text. This text comes after
72       * a theorem, definition etc. but belongs to this node regards content.
73       *
74       * @return  Returns the succeedingText.
75       */
76      public LatexList getSucceedingText();
77  
78  }