1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /**

    25  *      Test Java Program

    26  *

    27  *      @author Daryl Puryear

    28  *      @copyright 1999-2004 Wily Technology, Inc.  All rights reserved.

    29  */

    30 public class ParallelTransformerLoaderApp

    31 {

    32         private static final int kNumIterations = 1000;

    33 

    34         public static void

    35         main(   String[] args)

    36                 throws Exception

    37         {

    38                 System.out.println();

    39                 System.out.print("Starting test with " + kNumIterations + " iterations");

    40                 for (int i = 0; i < kNumIterations; i++)

    41                 {

    42                         // load some classes from multiple threads (this thread and one other)

    43                         Thread testThread = new TestThread(2);

    44                         testThread.start();

    45                         loadClasses(1);

    46 

    47                         // log that it completed and reset for the next iteration

    48                         testThread.join();

    49                         System.out.print(".");

    50                         ParallelTransformerLoaderAgent.generateNewClassLoader();

    51                 }

    52 

    53                 System.out.println();

    54                 System.out.println("Test completed successfully");

    55         }

    56 

    57         private static class TestThread

    58                 extends Thread

    59         {

    60                 private final int fIndex;

    61 

    62                 public

    63                 TestThread(     int index)

    64                 {

    65                         super("TestThread");

    66 

    67                         fIndex = index;

    68                 }

    69 

    70                 public void

    71                 run()

    72                 {

    73                         loadClasses(fIndex);

    74                 }

    75         }

    76 

    77         public static void

    78         loadClasses( int index)

    79         {

    80                 ClassLoader loader = ParallelTransformerLoaderAgent.getClassLoader();

    81                 try

    82                 {

    83                         Class.forName("TestClass" + index, true, loader);

    84                 }

    85                 catch (Exception e)

    86                 {

    87                         e.printStackTrace();

    88                 }

    89         }

    90 }