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1   /*
2    *  XNap Commons
3    *
4    *  Copyright (C) 2005  Steffen Pingel
5    *
6    *  This library is free software; you can redistribute it and/or
7    *  modify it under the terms of the GNU Lesser General Public
8    *  License as published by the Free Software Foundation; either
9    *  version 2.1 of the License, or (at your option) any later version.
10   *
11   *  This library is distributed in the hope that it will be useful,
12   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   *  Lesser General Public License for more details.
15   *
16   *  You should have received a copy of the GNU Lesser General Public
17   *  License along with this library; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   */
20  package org.xnap.commons.io;
21  
22  /***
23   * Defines the requirements for tasks that run asynchronously and need to 
24   * provide user interaction through a 
25   * {@link org.xnap.commons.io.ProgressMonitor}.
26   *  
27   * @author Steffen Pingel
28   */
29  public interface Job<T> {
30  	
31  	/***
32  	 * Carries out a task thereby notifying the <code>monitor</code> of its
33  	 * current progress.
34  	 * 
35  	 * @return the result of the operation
36  	 * @throws Exception
37  	 */
38  	T run(ProgressMonitor monitor) throws Exception;
39  	
40  }