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1   /*
2    * @(#) Operation.java Jan 12, 2004
3    * 
4    * Copyright (c) 2003 Delft University of Technology Jaffalaan 5, 2628 BX Delft,
5    * the Netherlands All rights reserved.
6    * 
7    * This software is proprietary information of Delft University of Technology
8    * The code is published under the General Public License
9    */
10  package nl.tudelft.simulation.dsol.interpreter.operations;
11  
12  import nl.tudelft.simulation.dsol.interpreter.Frame;
13  import nl.tudelft.simulation.dsol.interpreter.Operation;
14  
15  /***
16   * A Operation <br>
17   * (c) copyright 2003 <a href="http://www.simulation.tudelft.nl">Delft
18   * University of Technology </a>, the Netherlands. <br>
19   * See for project information <a
20   * href="http://www.simulation.tudelft.nl">www.simulation.tudelft.nl </a> <br>
21   * License of use: <a href="http://www.gnu.org/copyleft/gpl.html">General Public
22   * License (GPL) </a>, no warranty <br>
23   * 
24   * @version 1.0 Jan 12, 2004 <br>
25   * @author <a href="http://www.simulation.tudelft.nl/people/jacobs.html">Peter
26   *         Jacobs </a>
27   */
28  public abstract class InvokeOperation extends Operation
29  {
30  	/***
31  	 * executes the operation
32  	 * 
33  	 * @param frame The current frame
34  	 * @return Frame the newly created frame or null when the invocation already
35  	 *         took place
36  	 */
37  	public abstract Frame execute(final Frame frame);
38  }