private void Flush()
{
indexWriter.WriteIndex(numBufferedDocs, fieldsStream.Position); // LUCENENET specific: Renamed from getFilePointer() to match FileStream
// transform end offsets into lengths
int[] lengths = endOffsets;
for (int i = numBufferedDocs - 1; i > 0; --i)
{
lengths[i] = endOffsets[i] - endOffsets[i - 1];
if (Debugging.AssertsEnabled)
{
Debugging.Assert(lengths[i] >= 0);
}
}
WriteHeader(docBase, numBufferedDocs, numStoredFields, lengths);
// compress stored fields to fieldsStream
if (bufferedDocs.Length >= 2 * chunkSize)
{
// big chunk, slice it
for (int compressed = 0; compressed < bufferedDocs.Length; compressed += chunkSize)
{
compressor.Compress(bufferedDocs.Bytes, compressed, Math.Min(chunkSize, bufferedDocs.Length - compressed), fieldsStream);
}
}
else
{
compressor.Compress(bufferedDocs.Bytes, 0, bufferedDocs.Length, fieldsStream);
}
// reset
docBase += numBufferedDocs;
numBufferedDocs = 0;
bufferedDocs.Length = 0;
}
private void Flush()
{
int chunkDocs = pendingDocs.Count;
if (Debugging.AssertsEnabled)
{
Debugging.Assert(chunkDocs > 0, "{0}", chunkDocs);
}
// write the index file
indexWriter.WriteIndex(chunkDocs, vectorsStream.Position); // LUCENENET specific: Renamed from getFilePointer() to match FileStream
int docBase = numDocs - chunkDocs;
vectorsStream.WriteVInt32(docBase);
vectorsStream.WriteVInt32(chunkDocs);
// total number of fields of the chunk
int totalFields = FlushNumFields(chunkDocs);
if (totalFields > 0)
{
// unique field numbers (sorted)
int[] fieldNums = FlushFieldNums();
// offsets in the array of unique field numbers
FlushFields(totalFields, fieldNums);
// flags (does the field have positions, offsets, payloads?)
FlushFlags(totalFields, fieldNums);
// number of terms of each field
FlushNumTerms(totalFields);
// prefix and suffix lengths for each field
FlushTermLengths();
// term freqs - 1 (because termFreq is always >=1) for each term
FlushTermFreqs();
// positions for all terms, when enabled
FlushPositions();
// offsets for all terms, when enabled
FlushOffsets(fieldNums);
// payload lengths for all terms, when enabled
FlushPayloadLengths();
// compress terms and payloads and write them to the output
compressor.Compress(termSuffixes.Bytes, 0, termSuffixes.Length, vectorsStream);
}
// reset
pendingDocs.Clear();
curDoc = null;
curField = null;
termSuffixes.Length = 0;
}