Lucene.Net.Index.IndexReader.GetTermFreqVectors C# (CSharp) Method

		abstract public ITermFreqVector[] GetTermFreqVectors(int docNumber);
		

        private void  CopyVectorsNoDeletions(TermVectorsWriter termVectorsWriter, TermVectorsReader matchingVectorsReader, IndexReader reader)
        {
            int maxDoc = reader.MaxDoc;

            if (matchingVectorsReader != null)
            {
                // We can bulk-copy because the fieldInfos are "congruent"
                int docCount = 0;
                while (docCount < maxDoc)
                {
                    int len = System.Math.Min(MAX_RAW_MERGE_DOCS, maxDoc - docCount);
                    matchingVectorsReader.RawDocs(rawDocLengths, rawDocLengths2, docCount, len);
                    termVectorsWriter.AddRawDocuments(matchingVectorsReader, rawDocLengths, rawDocLengths2, len);
                    docCount += len;
                    checkAbort.Work(300 * len);
                }
            }
            else
            {
                for (int docNum = 0; docNum < maxDoc; docNum++)
                {
                    // NOTE: it's very important to first assign to vectors then pass it to
                    // termVectorsWriter.addAllDocVectors; see LUCENE-1282
                    ITermFreqVector[] vectors = reader.GetTermFreqVectors(docNum);
                    termVectorsWriter.AddAllDocVectors(vectors);
                    checkAbort.Work(300);
                }
            }
        }