Lucene.Net.Join.TermsIncludingScoreQuery.SVInnerScorer.NextDocOutOfOrder C# (CSharp) Метод

            private int NextDocOutOfOrder()
            {
                while (true)
                {
                    if (DocsEnum != null)
                    {
                        int docId = DocsEnumNextDoc();
                        if (docId == DocIdSetIterator.NO_MORE_DOCS)
                        {
                            DocsEnum = null;
                        }
                        else
                        {
                            return _doc = docId;
                        }
                    }

                    if (_upto == outerInstance._terms.Size())
                    {
                        return _doc = DocIdSetIterator.NO_MORE_DOCS;
                    }

                    _scoreUpto = _upto;
                    if (_termsEnum.SeekExact(outerInstance._terms.Get(outerInstance._ords[_upto++], _spare)))
                    {
                        DocsEnum = _reuse = _termsEnum.Docs(_acceptDocs, _reuse, DocsEnum.FLAG_NONE);
                    }
                }
            }