Review

class TermVectorsReader {
  /**
   * Return all term vectors stored for this document or null if the could not be read in.
   * 
   * @param docNum The document number to retrieve the vector for
   * @return All term frequency vectors
   * @throws IOException if there is an error reading the term vector files 
   */
  TermFreqVector[] get(int docNum) throws IOException {
    TermFreqVector[] result = null;
    if (tvx != null) {
      //We need to offset by
      seekTvx(docNum);
      long tvdPosition = tvx.readLong();

      tvd.seek(tvdPosition);
      int fieldCount = tvd.readVInt();

      // No fields are vectorized for this document
      if (fieldCount != 0) {
        final String[] fields = readFields(fieldCount);
        final long[] tvfPointers = readTvfPointers(fieldCount);
        result = readTermVectors(docNum, fields, tvfPointers);
      }
    } else {
      //System.out.println("No tvx file");
    }
    return result;
  }

}