1   /*
2    *  DocumentContent.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, 15/Feb/2000
12   *
13   *  $Id: DocumentContent.java,v 1.12 2005/01/11 13:51:30 ian Exp $
14   */
15  
16  package gate;
17  
18  import java.io.Serializable;
19  
20  import gate.util.InvalidOffsetException;
21  
22  /** The content of Documents.
23    */
24  public interface DocumentContent extends Serializable {
25  
26    /** The contents under a particular span. */
27    public DocumentContent getContent(Long start, Long end)
28      throws InvalidOffsetException;
29  
30    /** The size of this content (e.g. character length for textual
31      * content).
32      */
33    public Long size();
34  
35  } // interface DocumentContent
36