mcs/class/System.Core/System.Linq.Parallel/AggregationList.cs

   1 //
   2 // AggregationList.cs
   3 //
   4 // Author:
   5 //       Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
   6 //
   7 // Copyright (c) 2010 Jérémie "Garuma" Laval
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26
  27 #if NET_4_0
  28 using System;
  29 using System.Collections;
  30 using System.Collections.Generic;
  31
  32 namespace System.Linq.Parallel
  33 {
  34         internal class AggregationList<T> : IList<T>
  35         {
  36                 readonly IList<IList<T>> listes;
  37                 readonly int count;
  38
  39                 internal AggregationList (IList<IList<T>> listes)
  40                 {
  41                         this.listes = listes;
  42                         foreach (var l in listes)
  43                                 count += l.Count;
  44                 }
  45
  46                 public int IndexOf (T item)
  47                 {
  48                         throw new NotImplementedException();
  49                 }
  50
  51                 public void Insert (int index, T item)
  52                 {
  53                         throw new NotImplementedException();
  54                 }
  55
  56                 public void RemoveAt (int index)
  57                 {
  58                         throw new NotImplementedException();
  59                 }
  60
  61                 public T this[int index] {
  62                         get {
  63                                 int listIndex, newIndex;
  64                                 GetModifiedIndexes (index, out listIndex, out newIndex);
  65
  66                                 return listes[listIndex][newIndex];
  67                         }
  68                         set {
  69                                 throw new NotImplementedException();
  70                         }
  71                 }
  72
  73                 void GetModifiedIndexes (int index, out int listIndex, out int newIndex)
  74                 {
  75                         listIndex = 0;
  76                         newIndex = index;
  77
  78                         while (newIndex >= listes[listIndex].Count) {
  79                                 newIndex -= listes[listIndex].Count;
  80                                 listIndex++;
  81
  82                                 if (listIndex > listes.Count)
  83                                         throw new ArgumentOutOfRangeException ();
  84                         }
  85                 }
  86
  87                 public void Add (T item)
  88                 {
  89                         throw new NotImplementedException();
  90                 }
  91
  92                 public void Clear ()
  93                 {
  94                         throw new NotImplementedException();
  95                 }
  96
  97                 public bool Contains (T item)
  98                 {
  99                         throw new NotImplementedException();
 100                 }
 101
 102                 public void CopyTo (T[] array, int arrayIndex)
 103                 {
 104                         throw new NotImplementedException();
 105                 }
 106
 107                 public bool Remove (T item)
 108                 {
 109                         throw new NotImplementedException();
 110                 }
 111
 112                 public int Count {
 113                         get {
 114                                 return count;
 115                         }
 116                 }
 117
 118                 public bool IsReadOnly {
 119                         get {
 120                                 return true;
 121                         }
 122                 }
 123
 124                 IEnumerator<T> IEnumerable<T>.GetEnumerator ()
 125                 {
 126                         return null;
 127                 }
 128
 129                 IEnumerator IEnumerable.GetEnumerator ()
 130                 {
 131                         return null;
 132                 }
 133         }
 134 }
 135 #endif