1   /*
2    *  ProgressListener.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   *  Valentin Tablan, 03/07/2000
12   *
13   *  $Id: ProgressListener.java,v 1.4 2005/01/11 13:51:34 ian Exp $
14   */
15  
16  package gate.event;
17  
18  import java.util.EventListener;
19  
20  /** This interface describes objects that can register themselves as listeners
21   * to ProcessProgressReporters.
22   * They need to be able to handle progress change and process finished events.
23   *
24   */
25  public interface ProgressListener extends EventListener{
26  
27    /**
28     * Called when the progress has changed
29     *
30     * @param i
31     */
32    public void progressChanged(int i);
33  
34    /**
35     * Called when the process is finished.
36     *
37     */
38    public void processFinished();
39  
40  } // ProgressListener
41  
42