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1   /*
2    * @(#) StationaryPolicy.java Dec 8, 2003
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.tutorial.section42.policies;
11  
12  import java.rmi.RemoteException;
13  import java.util.Properties;
14  
15  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
16  
17  /***
18   * A StationaryPolicy <br>
19   * (c) copyright 2003 <a href="http://www.simulation.tudelft.nl">Delft
20   * University of Technology </a>, the Netherlands. <br>
21   * See for project information <a
22   * href="http://www.simulation.tudelft.nl">www.simulation.tudelft.nl </a> <br>
23   * License of use: <a href="http://www.gnu.org/copyleft/gpl.html">General Public
24   * License (GPL) </a>, no warranty <br>
25   * 
26   * @version 1.0 Dec 8, 2003 <br>
27   * @author <a href="http://www.simulation.tudelft.nl/people/jacobs.html">Peter
28   *         Jacobs </a>
29   */
30  public class StationaryPolicy implements OrderingPolicy
31  {
32  	/*** the lower bound of the policy */
33  	private long lowerBound;
34  
35  	/*** the upper bound of the policy */
36  	private long upperBound;
37  
38  	/***
39  	 * constructs a new StationaryPolicy
40  	 * 
41  	 * @param simulator the simulator which is executing the experiment
42  	 * @throws RemoteException on network failure
43  	 */
44  	public StationaryPolicy(final SimulatorInterface simulator)
45  			throws RemoteException
46  	{
47  		super();
48  		Properties properties = simulator.getReplication().getRunControl()
49  				.getTreatment().getProperties();
50  
51  		this.lowerBound = new Long(properties.getProperty("policy.lowerBound"))
52  				.longValue();
53  		this.upperBound = new Long(properties.getProperty("policy.upperBound"))
54  				.longValue();
55  	}
56  
57  	/***
58  	 * @see nl.tudelft.simulation.dsol.tutorial.section42.policies.OrderingPolicy
59  	 *      #computeAmountToOrder(long)
60  	 */
61  	public long computeAmountToOrder(final long inventory)
62  	{
63  		if (inventory <= this.lowerBound)
64  		{
65  			return this.upperBound - inventory;
66  		}
67  		return 0;
68  	}
69  }