bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/Jotakin6.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.databoard.tests;\r
  12 \r
  13 import java.util.concurrent.locks.ReentrantReadWriteLock;\r
  14 \r
  15 import org.simantics.databoard.Bindings;\r
  16 import org.simantics.databoard.binding.Binding;\r
  17 \r
  18 public class Jotakin6 {\r
  19 \r
  20         public static class X {\r
  21                 public int[] array = new int[1024*1024*4];\r
  22                 public long[] array2 = new long[1024*1024*4];\r
  23         }\r
  24         \r
  25         public static class Y {\r
  26         }\r
  27         \r
  28         public static void main(String[] args) \r
  29         throws Exception {\r
  30                 \r
  31                 ReentrantReadWriteLock lock = new ReentrantReadWriteLock();\r
  32                 \r
  33                 lock.writeLock().lock();\r
  34                 lock.readLock().lock();\r
  35                 lock.readLock().unlock();\r
  36                 lock.writeLock().unlock();\r
  37                 \r
  38                 X x = new X();\r
  39                 Binding b = Bindings.getBinding(X.class);\r
  40                 \r
  41                 int hash = b.hashValue(x);\r
  42                 \r
  43                 long startTime = System.currentTimeMillis();\r
  44                 \r
  45                 hash = b.hashValue(x);\r
  46                 \r
  47                 long elapsedTime = System.currentTimeMillis() - startTime;\r
  48                 \r
  49                 System.out.println("hash="+hash+", time="+elapsedTime);\r
  50                 \r
  51         }\r
  52         \r
  53 }\r
  54 \r