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1   /*
2    * @(#) PROCESSINVOKESTATIC.java Jan 8, 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.formalisms.process;
11  
12  import java.io.DataInput;
13  import java.io.IOException;
14  import java.lang.reflect.Method;
15  import java.lang.reflect.Modifier;
16  
17  import nl.tudelft.simulation.dsol.interpreter.Frame;
18  import nl.tudelft.simulation.dsol.interpreter.Interpreter;
19  import nl.tudelft.simulation.language.concurrent.Monitor;
20  
21  /***
22   * PROCESSINVOKESTATIC <br>
23   * (c) copyright 2003 <a href="http://www.simulation.tudelft.nl">Delft
24   * University of Technology </a>, the Netherlands. <br>
25   * See for project information <a
26   * href="http://www.simulation.tudelft.nl">www.simulation.tudelft.nl </a> <br>
27   * License of use: <a href="http://www.gnu.org/copyleft/gpl.html">General Public
28   * License (GPL) </a>, no warranty <br>
29   * 
30   * @version 1.0 Jan 8, 2004 <br>
31   * @author <a href="http://www.tbm.tudelft.nl/webstaf/peterja/index.htm">Peter
32   *         Jacobs </a> <br>
33   *         <a
34   *         href="http://www.tbm.tudelft.nl/webstaf/alexandv/index.htm">Alexander
35   *         Verbraeck </a>
36   */
37  public class PROCESSINVOKESTATIC
38  		extends
39  		nl.tudelft.simulation.dsol.interpreter.operations.reflection.INVOKESTATIC
40  {
41  	/***
42  	 * constructs a new PROCESSINVOKESTATIC
43  	 * 
44  	 * @param dataInput the dataInput
45  	 * @throws IOException on IOfailure
46  	 */
47  	public PROCESSINVOKESTATIC(final DataInput dataInput) throws IOException
48  	{
49  		super(dataInput);
50  	}
51  
52  	/***
53  	 * executes the operation and returns a new Frame
54  	 * 
55  	 * @param frame the original frame
56  	 * @param objectRef the object on which to invoke the method
57  	 * @param arguments the arguments with which to invoke the method
58  	 * @param method the method to invoke
59  	 * @throws Exception on invocation exception
60  	 * @return a new frame
61  	 */
62  	public Frame execute(final Frame frame, final Object objectRef,
63  			final Method method, final Object[] arguments) throws Exception
64  	{
65  		if (Modifier.isNative(method.getModifiers())
66  				|| !Process.class.isAssignableFrom(objectRef.getClass()))
67  		{
68  			return super.execute(frame, objectRef, method, arguments);
69  		}
70  		if (Modifier.isSynchronized(method.getModifiers()))
71  		{
72  			Monitor.lock(objectRef);
73  		}
74  		return Interpreter.createFrame(objectRef, method, arguments);
75  	}
76  }