Tup.Mahout4Net.Fpm.PfpGrowth.FPGrowth.FPTree.GetHeaderIndex C# (CSharp) Method

GetHeaderIndex() private method

private GetHeaderIndex ( int attributeValue ) : int
attributeValue int
return int
        private int GetHeaderIndex(int attributeValue)
        {
            if (attributeValue >= headerTableLookup.Length)
            {
                ResizeHeaderLookup(attributeValue);
            }
            int index = headerTableLookup[attributeValue];
            if (index == -1)
            { // if attribute didnt exist;
                if (headerTableCount >= headerTableAttributes.Length)
                {
                    ResizeHeaderTable();
                }
                headerTableAttributes[headerTableCount] = attributeValue;
                if (headerTableProperties[headerTableCount] == null)
                {
                    headerTableProperties[headerTableCount] = new int[HEADERTABLEBLOCKSIZE];
                }
                headerTableAttributeCount[headerTableCount] = 0;
                headerTableProperties[headerTableCount][HT_NEXT] = -1;
                headerTableProperties[headerTableCount][HT_LAST] = -1;
                index = headerTableCount++;
                headerTableLookup[attributeValue] = index;
                sortedSet.Add(attributeValue);
            }
            return index;
        }