1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portlet.messageboards.model;
16  
17  import java.io.Serializable;
18  
19  import java.util.List;
20  
21  /**
22   * <a href="MBTreeWalker.java.html"><b><i>View Source</i></b></a>
23   *
24   * @author Brian Wing Shun Chan
25   */
26  public interface MBTreeWalker extends Serializable {
27  
28      public List<MBMessage> getChildren(MBMessage message);
29  
30      public int[] getChildrenRange(MBMessage message);
31  
32      public List<MBMessage> getMessages();
33  
34      public MBMessage getRoot();
35  
36      public boolean isLeaf(MBMessage message);
37  
38      public boolean isOdd();
39  
40  }