Esempio n. 1
0
 private void initSimilarityMaps(IEnumerator <ItemItemSimilarity> similarities)
 {
     while (similarities.MoveNext())
     {
         ItemItemSimilarity current = similarities.Current;
         long num  = current.getItemID1();
         long num2 = current.getItemID2();
         if (num != num2)
         {
             long num3;
             long num4;
             if (num < num2)
             {
                 num3 = num;
                 num4 = num2;
             }
             else
             {
                 num3 = num2;
                 num4 = num;
             }
             FastByIDMap <double?> map = this.similarityMaps.get(num3);
             if (map == null)
             {
                 map = new FastByIDMap <double?>();
                 this.similarityMaps.put(num3, map);
             }
             map.put(num4, new double?(current.getValue()));
             this.doIndex(num3, num4);
             this.doIndex(num4, num3);
         }
     }
 }
Esempio n. 2
0
        private void initSimilarityMaps(IEnumerator <ItemItemSimilarity> similarities)
        {
            while (similarities.MoveNext())
            {
                ItemItemSimilarity iic = similarities.Current;
                long similarityItemID1 = iic.getItemID1();
                long similarityItemID2 = iic.getItemID2();
                if (similarityItemID1 != similarityItemID2)
                {
                    // Order them -- first key should be the "smaller" one
                    long itemID1;
                    long itemID2;
                    if (similarityItemID1 < similarityItemID2)
                    {
                        itemID1 = similarityItemID1;
                        itemID2 = similarityItemID2;
                    }
                    else
                    {
                        itemID1 = similarityItemID2;
                        itemID2 = similarityItemID1;
                    }
                    FastByIDMap <double?> map = similarityMaps.Get(itemID1);
                    if (map == null)
                    {
                        map = new FastByIDMap <double?>();
                        similarityMaps.Put(itemID1, map);
                    }
                    map.Put(itemID2, iic.getValue());

                    doIndex(itemID1, itemID2);
                    doIndex(itemID2, itemID1);
                }
                // else similarity between item and itself already assumed to be 1.0
            }
        }