1       /*
2    *  Node.java
3    *
4    *  Copyright (c) 1998-2005, The University of Sheffield.
5    *
6    *  This file is part of GATE (see http://gate.ac.uk/), and is free
7    *  software, licenced under the GNU Library General Public License,
8    *  Version 2, June 1991 (in the distribution as file licence.html,
9    *  and also available at http://gate.ac.uk/gate/licence.html).
10   *
11   *  Hamish Cunningham, 19/Jan/2000
12   *
13   *  $Id: Node.java,v 1.16 2005/01/11 13:51:30 ian Exp $
14   */
15  
16  package gate;
17  import java.io.Serializable;
18  
19  import gate.util.IdBearer;
20  
21  /** Nodes in AnnotationSets. Immutable.
22    */
23  public interface Node extends IdBearer, Serializable
24  {
25  
26    /** Offset (will be null when the node is not anchored) */
27    public Long getOffset();
28  
29  } // interface Node
30