bundles/org.simantics.databoard/src/org/simantics/databoard/units/SynchronizationUtil.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.databoard.units;
  13
  14 import java.util.HashMap;
  15 import java.util.HashSet;
  16 import java.util.Map;
  17 import java.util.Set;
  18
  19 import org.simantics.databoard.accessor.reference.ChildReference;
  20 import org.simantics.databoard.binding.ArrayBinding;
  21 import org.simantics.databoard.binding.Binding;
  22
  23 /**
  24  * This utility class contains a toolkit for synchronization of objects.
  25  *
  26  * @author toni.kalajainen
  27  */
  28 public class SynchronizationUtil {
  29
  30         /**
  31          * Compare arrays
  32          *
  33          * @param arrayBinding
  34          * @param oldArray
  35          * @param newArray
  36          * @param idRef reference identifier in item
  37          * @return Compare raport
  38          */
  39         public <T> CompareRaport<T> compareArrays(ArrayBinding arrayBinding, T oldArray, T newArray, ChildReference idRef)
  40         {
  41                 Binding cb = arrayBinding.componentBinding;
  42
  43                 CompareRaport<T> result = new CompareRaport<T>();
  44
  45                 //Set<T> oldIds = new HashSet<T>(  )
  46
  47                 return result;
  48         }
  49
  50 //      public <T> CompareRaport<T> compareMaps(MapBinding mapBinding, T oldMap, T newMap, ChildReference idRef)
  51 //      {
  52 //
  53 //      }
  54
  55         static class CompareRaport<T> {
  56
  57                 public Set<T> addedItems = new HashSet<T>();
  58                 public Set<T> removedItems = new HashSet<T>();
  59                 public Map<T, T> correspondences = new HashMap<T, T>();
  60
  61                 public T[] addedIndices;
  62                 public T[] removedIndices;
  63                 public Map<Integer, Integer> indiceCorrespondence;
  64
  65         }
  66
  67 }