コード例 #1
0
ファイル: bitVector.go プロジェクト: kiskovacs/golucene
/* Write as a d-gaps list */
func (bv *BitVector) writeClearedDgaps(output store.IndexOutput) error {
	err := store.Stream(output).
		WriteInt(-1). // mark using d-gaps
		WriteInt(int32(bv.size)).
		WriteInt(int32(bv.Count())).
		Close()
	if err != nil {
		return err
	}
	last, numCleared := 0, bv.size-bv.Count()
	for i, v := range bv.bits {
		if v == byte(0xff) {
			continue
		}
		err = output.WriteVInt(int32(i - last))
		if err == nil {
			err = output.WriteByte(v)
		}
		if err != nil {
			return err
		}
		last = i
		numCleared -= (8 - util.BitCount(v))
		assert(numCleared >= 0 ||
			i == len(bv.bits)-1 && numCleared == -(8-(bv.size&7)))
		if numCleared <= 0 {
			break
		}
	}
	return nil
}
コード例 #2
0
ファイル: postingsWriter.go プロジェクト: kiskovacs/golucene
func (w *Lucene41PostingsWriter) Init(termsOut store.IndexOutput) error {
	err := codec.WriteHeader(termsOut, LUCENE41_TERMS_CODEC, LUCENE41_VERSION_CURRENT)
	if err == nil {
		err = termsOut.WriteVInt(LUCENE41_BLOCK_SIZE)
	}
	return err
}
コード例 #3
0
func NewStoredFieldsIndexWriter(indexOutput store.IndexOutput) (*StoredFieldsIndexWriter, error) {
	err := indexOutput.WriteVInt(packed.VERSION_CURRENT)
	if err != nil {
		return nil, err
	}
	return &StoredFieldsIndexWriter{
		fieldsIndexOut:     indexOutput,
		blockChunks:        0,
		blockDocs:          0,
		firstStartPointer:  -1,
		totalDocs:          0,
		docBaseDeltas:      make([]int, BLOCK_SIZE),
		startPointerDeltas: make([]int64, BLOCK_SIZE),
	}, nil
}
コード例 #4
0
ファイル: termsWriter.go プロジェクト: kiskovacs/golucene
func writeBytesRef(out store.IndexOutput, bytes []byte) (err error) {
	if err = out.WriteVInt(int32(len(bytes))); err == nil {
		err = out.WriteBytes(bytes)
	}
	return
}
コード例 #5
0
ファイル: skipWriter.go プロジェクト: kiskovacs/golucene
func (w *SkipWriter) WriteSkipData(level int, skipBuffer store.IndexOutput) error {
	delta := w.curDoc - w.lastSkipDoc[level]
	var err error
	if err = skipBuffer.WriteVInt(int32(delta)); err != nil {
		return err
	}
	w.lastSkipDoc[level] = w.curDoc

	if err = skipBuffer.WriteVInt(int32(w.curDocPointer - w.lastSkipDocPointer[level])); err != nil {
		return err
	}
	w.lastSkipDocPointer[level] = w.curDocPointer

	if w.fieldHasPositions {
		if err = skipBuffer.WriteVInt(int32(w.curPosPointer - w.lastSkipPosPointer[level])); err != nil {
			return err
		}
		w.lastSkipPosPointer[level] = w.curPosPointer
		if err = skipBuffer.WriteVInt(int32(w.curPosBufferUpto)); err != nil {
			return err
		}

		if w.fieldHasPayloads {
			if err = skipBuffer.WriteVInt(int32(w.curPayloadByteUpto)); err != nil {
				return err
			}
		}

		if w.fieldHasOffsets || w.fieldHasPayloads {
			if err = skipBuffer.WriteVInt(int32(w.curPayPointer - w.lastSkipPayPointer[level])); err != nil {
				return err
			}
			w.lastSkipPayPointer[level] = w.curPayPointer
		}
	}
	return nil
}
コード例 #6
0
ファイル: fieldInfos.go プロジェクト: kiskovacs/golucene
		return
	}

	var success = false
	defer func() {
		if success {
			err = output.Close()
		} else {
			util.CloseWhileSuppressingError(output)
		}
	}()

	if err = codec.WriteHeader(output, FI_CODEC_NAME, FI_FORMAT_CURRENT); err != nil {
		return
	}
	if err = output.WriteVInt(int32(infos.Size())); err != nil {
		return
	}
	for _, fi := range infos.Values {
		indexOptions := fi.IndexOptions()
		bits := byte(0)
		if fi.HasVectors() {
			bits |= FI_STORE_TERMVECTOR
		}
		if fi.OmitsNorms() {
			bits |= FI_OMIT_NORMS
		}
		if fi.HasPayloads() {
			bits |= FI_STORE_PAYLOADS
		}
		if fi.IsIndexed() {