bundles/org.simantics.history/test/org/simantics/history/test/TestMedian.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.history.test;\r
  13 \r
  14 import java.util.Arrays;\r
  15 import java.util.TreeSet;\r
  16 \r
  17 import org.simantics.databoard.Bindings;\r
  18 import org.simantics.databoard.binding.ArrayBinding;\r
  19 import org.simantics.databoard.binding.Binding;\r
  20 import org.simantics.databoard.binding.error.BindingConstructionException;\r
  21 import org.simantics.databoard.binding.reflection.BindingProvider;\r
  22 import org.simantics.databoard.binding.reflection.BindingRequest;\r
  23 import org.simantics.databoard.serialization.Serializer;\r
  24 import org.simantics.databoard.type.ArrayType;\r
  25 import org.simantics.history.util.Median;\r
  26 import org.simantics.history.util.MedianBinding;\r
  27 \r
  28 public class TestMedian {\r
  29 \r
  30         public static void main(String[] args) throws Exception {\r
  31                 \r
  32                 TreeSet<Integer> numbers = new TreeSet<Integer>();\r
  33             Median<Integer> fastMedian = new Median<Integer>( Bindings.INTEGER );\r
  34 \r
  35             for (int i = 1; i < 10; i += 2) {\r
  36                 numbers.add(i);\r
  37                 fastMedian.add(i);\r
  38                 System.out.println(numbers + " median: " + fastMedian.getMedian());\r
  39             }\r
  40 \r
  41             for (int i = 10; i >= 2; i -= 2) {\r
  42                 numbers.add(i);\r
  43                 fastMedian.add(i);\r
  44                 System.out.println(numbers + " median: " + fastMedian.getMedian());\r
  45             }\r
  46                     \r
  47             BindingProvider medianBindingFactory = new BindingProvider() {\r
  48                         public Binding provideBinding(org.simantics.databoard.binding.reflection.ClassBindingFactory master, BindingRequest request) throws BindingConstructionException {\r
  49                                 if (Median.class.isAssignableFrom( request.getClazz() )) { \r
  50                                         return new MedianBinding(new ArrayType(null), null);\r
  51                                 }\r
  52                                 return null;\r
  53                         }\r
  54             };      \r
  55             \r
  56             Bindings.classBindingFactory.addFactory( medianBindingFactory );\r
  57 \r
  58             ArrayBinding b = (ArrayBinding) Bindings.getBindingUnchecked(Median.class, Integer.class);\r
  59             Median<Integer> qu = (Median<Integer>) b.createDefault();\r
  60             qu.add( 5 );\r
  61             System.out.println( b.get(qu, 0) ) ;\r
  62             \r
  63             System.out.println( b.toString( fastMedian ) );\r
  64             fastMedian.setSize( 3 );\r
  65             System.out.println( b.toString( fastMedian ) );\r
  66             \r
  67             \r
  68             Serializer s = Bindings.getSerializerUnchecked( b );\r
  69             byte[] data = s.serialize( fastMedian );\r
  70             System.out.println(Arrays.toString(data));\r
  71             Median<Integer> q2 = (Median<Integer>) s.deserialize( data );\r
  72             System.out.println( b.toString(q2) );\r
  73             \r
  74             System.out.println();\r
  75         }\r
  76 }\r