Package org.apache.lucene.store

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

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    }

    try {
      output = directory.createOutput(IndexFileNames.SEGMENTS_GEN);
      try {
        output.writeInt(FORMAT_LOCKLESS);
        output.writeLong(generation);
        output.writeLong(generation);
      } finally {
        output.close();
      }
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        public void saveCacheToFile() throws IOException {
            IndexOutput io = null;
            try {
                io = reader.directory().createOutput(FILE_CACHE_NAME_ARRAY);
                for (int parent : inSegmentParents) {
                    io.writeInt(parent);
                }
            } catch (Exception e) {
                log.error(
                        "Error saving " + FILE_CACHE_NAME_ARRAY + ": "
                                + e.getMessage(), e);
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            BLOOM_CODEC_VERSION);
        // remember the name of the postings format we will delegate to
        bloomOutput.writeString(delegatePostingsFormat.getName());
       
        // First field in the output file is the number of fields+blooms saved
        bloomOutput.writeInt(nonSaturatedBlooms.size());
        for (Entry<FieldInfo,FuzzySet> entry : nonSaturatedBlooms) {
          FieldInfo fieldInfo = entry.getKey();
          FuzzySet bloomFilter = entry.getValue();
          bloomOutput.writeInt(fieldInfo.number);
          saveAppropriatelySizedBloomFilter(bloomOutput, bloomFilter, fieldInfo);
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        // First field in the output file is the number of fields+blooms saved
        bloomOutput.writeInt(nonSaturatedBlooms.size());
        for (Entry<FieldInfo,FuzzySet> entry : nonSaturatedBlooms) {
          FieldInfo fieldInfo = entry.getKey();
          FuzzySet bloomFilter = entry.getValue();
          bloomOutput.writeInt(fieldInfo.number);
          saveAppropriatelySizedBloomFilter(bloomOutput, bloomFilter, fieldInfo);
        }
      } finally {
        IOUtils.close(bloomOutput);
      }
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        /*
         * we need to write the field number since IW tries
         * to stabelize the field numbers across segments so the
         * FI ordinal is not necessarily equivalent to the field number
         */
        output.writeInt(fi.number);
        output.writeByte(bits);
        if (fi.isIndexed() && !fi.omitsNorms()) {
          // to allow null norm types we need to indicate if norms are written
          // only in RW case
          output.writeByte((byte) (fi.getNormType() == null ? 0 : 1));
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    boolean success = false;
    try {
      CodecUtil.writeHeader(output, Lucene40SegmentInfoFormat.CODEC_NAME, Lucene40SegmentInfoFormat.VERSION_CURRENT);
      // Write the Lucene version that created this segment, since 3.1
      output.writeString(si.getVersion());
      output.writeInt(si.getDocCount());

      output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
      output.writeStringStringMap(si.getDiagnostics());
      output.writeStringStringMap(si.attributes());
      output.writeStringSet(si.files());
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   */
  public static void writeSegmentsGen(Directory dir, long generation) {
    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN, IOContext.READONCE);
      try {
        genOutput.writeInt(FORMAT_SEGMENTS_GEN_CURRENT);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
      } finally {
        genOutput.close();
        dir.sync(Collections.singleton(IndexFileNames.SEGMENTS_GEN));
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      assert si.getCodec() instanceof Lucene3xCodec : "broken test, trying to mix preflex with other codecs";
      CodecUtil.writeHeader(output, Lucene3xSegmentInfoFormat.UPGRADED_SI_CODEC_NAME,
                                    Lucene3xSegmentInfoFormat.UPGRADED_SI_VERSION_CURRENT);
      // Write the Lucene version that created this segment, since 3.1
      output.writeString(si.getVersion());
      output.writeInt(si.getDocCount());

      output.writeStringStringMap(si.attributes());

      output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
      output.writeStringStringMap(si.getDiagnostics());
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  }

  private final void writeDeleteableFiles(Vector files) throws IOException {
    IndexOutput output = directory.createOutput("deleteable.new");
    try {
      output.writeInt(files.size());
      for (int i = 0; i < files.size(); i++)
        output.writeString((String)files.elementAt(i));
    } finally {
      output.close();
    }
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  }

  private final void writeDeleteableFiles(Vector files) throws IOException {
    IndexOutput output = directory.createOutput("deleteable.new");
    try {
      output.writeInt(files.size());
      for (int i = 0; i < files.size(); i++)
        output.writeString((String)files.elementAt(i));
    } finally {
      output.close();
    }
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