Examples of org.apache.lucene.store.IndexOutput.writeVInt()

Class org.apache.lucene.store.IndexOutput

Examples of org.apache.lucene.store.IndexOutput.writeVInt()

org.apache.lucene.store.IndexOutput.writeVInt()
Writes an int in a variable-length format. Writes between one and five bytes. Smaller values take fewer bytes. Negative numbers are not supported. @see IndexInput#readVInt()

        // add an entry to the freq file
        int postingFreq = posting.freq;
        if (postingFreq == 1)          // optimize freq=1
          freq.writeVInt(1);        // set low bit of doc num.
        else {
          freq.writeVInt(0);        // the document number
          freq.writeVInt(postingFreq);        // frequency in doc
        }


        int lastPosition = 0;        // write positions
        int[] positions = posting.positions;

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        int postingFreq = posting.freq;
        if (postingFreq == 1)          // optimize freq=1
          freq.writeVInt(1);        // set low bit of doc num.
        else {
          freq.writeVInt(0);        // the document number
          freq.writeVInt(postingFreq);        // frequency in doc
        }


        int lastPosition = 0;        // write positions
        int[] positions = posting.positions;
        for (int j = 0; j < postingFreq; j++) {      // use delta-encoding

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    String summaryFileName = IndexFileNames.segmentFileName(segmentState.segmentInfo.name, segmentState.segmentSuffix, SUMMARY_EXTENSION);
    IndexOutput out = null;
    try {
      out = segmentState.directory.createOutput(summaryFileName, segmentState.context);
      CodecUtil.writeHeader(out, CODEC, VERSION_CURRENT);
      out.writeVInt(fields.size());
      for (FieldMetaData field : fields) {
        out.writeVInt(field.fieldNumber);
        out.writeVInt(field.longsSize);
      }
      out.close();

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    try {
      out = segmentState.directory.createOutput(summaryFileName, segmentState.context);
      CodecUtil.writeHeader(out, CODEC, VERSION_CURRENT);
      out.writeVInt(fields.size());
      for (FieldMetaData field : fields) {
        out.writeVInt(field.fieldNumber);
        out.writeVInt(field.longsSize);
      }
      out.close();
    } finally {
      IOUtils.closeWhileHandlingException(out);

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      out = segmentState.directory.createOutput(summaryFileName, segmentState.context);
      CodecUtil.writeHeader(out, CODEC, VERSION_CURRENT);
      out.writeVInt(fields.size());
      for (FieldMetaData field : fields) {
        out.writeVInt(field.fieldNumber);
        out.writeVInt(field.longsSize);
      }
      out.close();
    } finally {
      IOUtils.closeWhileHandlingException(out);
    }

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      @Override
      public void close() throws IOException {
        // EOF marker:
        try {
          out.writeVInt(0);
          CodecUtil.writeFooter(out);
        } finally {
          out.close();
        }
      }

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    String fileName = SNAPSHOTS_PREFIX + nextWriteGen;
    IndexOutput out = dir.createOutput(fileName, IOContext.DEFAULT);
    boolean success = false;
    try {
      CodecUtil.writeHeader(out, CODEC_NAME, VERSION_CURRENT);   
      out.writeVInt(refCounts.size());
      for(Entry<Long,Integer> ent : refCounts.entrySet()) {
        out.writeVLong(ent.getKey());
        out.writeVInt(ent.getValue());
      }
      success = true;

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    try {
      CodecUtil.writeHeader(out, CODEC_NAME, VERSION_CURRENT);   
      out.writeVInt(refCounts.size());
      for(Entry<Long,Integer> ent : refCounts.entrySet()) {
        out.writeVLong(ent.getKey());
        out.writeVInt(ent.getValue());
      }
      success = true;
    } finally {
      if (!success) {
        IOUtils.closeWhileHandlingException(out);

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    final String fileName = IndexFileNames.segmentFileName(segmentName, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
    IndexOutput output = directory.createOutput(fileName, context);
    boolean success = false;
    try {
      CodecUtil.writeHeader(output, Lucene46FieldInfosFormat.CODEC_NAME, Lucene46FieldInfosFormat.FORMAT_CURRENT);
      output.writeVInt(infos.size());
      for (FieldInfo fi : infos) {
        IndexOptions indexOptions = fi.getIndexOptions();
        byte bits = 0x0;
        if (fi.hasVectors()) bits |= Lucene46FieldInfosFormat.STORE_TERMVECTOR;
        if (fi.omitsNorms()) bits |= Lucene46FieldInfosFormat.OMIT_NORMS;

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          } else if (indexOptions == IndexOptions.DOCS_AND_FREQS) {
            bits |= Lucene46FieldInfosFormat.OMIT_POSITIONS;
          }
        }
        output.writeString(fi.name);
        output.writeVInt(fi.number);
        output.writeByte(bits);


        // pack the DV types in one byte
        final byte dv = docValuesByte(fi.getDocValuesType());
        final byte nrm = docValuesByte(fi.getNormType());

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