Package org.apache.lucene.store

Examples of org.apache.lucene.store.DataOutput

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      ConnectionCosts.class.getName().replace('.', File.separatorChar) + ConnectionCosts.FILENAME_SUFFIX;
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, ConnectionCosts.HEADER, ConnectionCosts.VERSION);
      out.writeVInt(forwardSize);
      out.writeVInt(backwardSize);
      int last = 0;
      assert costs.length == backwardSize;
      for (short[] a : costs) {
        assert a.length == forwardSize;
        for (int i = 0; i < a.length; i++) {
          int delta = (int)a[i] - last;
          out.writeVInt(BitUtil.zigZagEncode(delta));
          last = a[i];
        }
      }
    } finally {
      os.close();
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    }
  }

  @Override
  public boolean store(OutputStream output) throws IOException {
    DataOutput dataOut = new OutputStreamDataOutput(output);
    try {
      if (fst == null) {
        return false;
      }

      fst.save(dataOut);
      dataOut.writeVInt(maxAnalyzedPathsForOneInput);
      dataOut.writeByte((byte) (hasPayloads ? 1 : 0));
    } finally {
      IOUtils.close(output);
    }
    return true;
  }
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    }
  }

  @Override
  public boolean store(OutputStream output) throws IOException {
    DataOutput dataOut = new OutputStreamDataOutput(output);
    try {
      if (fst == null) {
        return false;
      }

      fst.save(dataOut);
      dataOut.writeVInt(maxAnalyzedPathsForOneInput);
      dataOut.writeByte((byte) (hasPayloads ? 1 : 0));
    } finally {
      IOUtils.close(output);
    }
    return true;
  }
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    }
  }

  @Override
  public boolean store(OutputStream output) throws IOException {
    DataOutput dataOut = new OutputStreamDataOutput(output);
    try {
      if (fst == null) {
        return false;
      }

      fst.save(dataOut);
      dataOut.writeVInt(maxAnalyzedPathsForOneInput);
      dataOut.writeByte((byte) (hasPayloads ? 1 : 0));
    } finally {
      IOUtils.close(output);
    }
    return true;
  }
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  protected void writeTargetMap(String filename) throws IOException {
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, BinaryDictionary.TARGETMAP_HEADER, BinaryDictionary.VERSION);
     
      final int numSourceIds = lastSourceId + 1;
      out.writeVInt(targetMapEndOffset); // <-- size of main array
      out.writeVInt(numSourceIds + 1); // <-- size of offset array (+ 1 more entry)
      int prev = 0, sourceId = 0;
      for (int ofs = 0; ofs < targetMapEndOffset; ofs++) {
        final int val = targetMap[ofs], delta = val - prev;
        assert delta >= 0;
        if (ofs == targetMapOffsets[sourceId]) {
          out.writeVInt((delta << 1) | 0x01);
          sourceId++;
        } else {
          out.writeVInt((delta << 1));
        }
        prev += delta;
      }
      assert sourceId == numSourceIds : "sourceId:"+sourceId+" != numSourceIds:"+numSourceIds;
    } finally {
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  protected void writePosDict(String filename) throws IOException {
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, BinaryDictionary.POSDICT_HEADER, BinaryDictionary.VERSION);
      out.writeVInt(posDict.size());
      for (String s : posDict) {
        if (s == null) {
          out.writeByte((byte)0);
          out.writeByte((byte)0);
          out.writeByte((byte)0);
        } else {
          String data[] = CSVUtil.parse(s);
          assert data.length == 3 : "malformed pos/inflection: " + s;
          out.writeString(data[0]);
          out.writeString(data[1]);
          out.writeString(data[2]);
        }
      }
    } finally {
      os.close();
    }
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  protected void writeDictionary(String filename) throws IOException {
    new File(filename).getParentFile().mkdirs();
    final FileOutputStream os = new FileOutputStream(filename);
    try {
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, BinaryDictionary.DICT_HEADER, BinaryDictionary.VERSION);
      out.writeVInt(buffer.position());
      final WritableByteChannel channel = Channels.newChannel(os);
      // Write Buffer
      buffer.flip();  // set position to 0, set limit to current position
      channel.write(buffer);
      assert buffer.remaining() == 0L;
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      CharacterDefinition.class.getName().replace('.', File.separatorChar) + CharacterDefinition.FILENAME_SUFFIX;
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, CharacterDefinition.HEADER, CharacterDefinition.VERSION);
      out.writeBytes(characterCategoryMap, 0, characterCategoryMap.length);
      for (int i = 0; i < CharacterDefinition.CLASS_COUNT; i++) {
        final byte b = (byte) (
          (invokeMap[i] ? 0x01 : 0x00) |
          (groupMap[i] ? 0x02 : 0x00)
        );
        out.writeByte(b);
      }
    } finally {
      os.close();
    }
  }
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      ConnectionCosts.class.getName().replace('.', File.separatorChar) + ConnectionCosts.FILENAME_SUFFIX;
    new File(filename).getParentFile().mkdirs();
    OutputStream os = new FileOutputStream(filename);
    try {
      os = new BufferedOutputStream(os);
      final DataOutput out = new OutputStreamDataOutput(os);
      CodecUtil.writeHeader(out, ConnectionCosts.HEADER, ConnectionCosts.VERSION);
      out.writeVInt(forwardSize);
      out.writeVInt(backwardSize);
      int last = 0;
      assert costs.length == backwardSize;
      for (short[] a : costs) {
        assert a.length == forwardSize;
        for (int i = 0; i < a.length; i++) {
          int delta = (int)a[i] - last;
          out.writeVInt((delta >> 31) ^ (delta << 1));
          last = a[i];
        }
      }
    } finally {
      os.close();
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    Random random = random();
    for(int iter=0;iter<5*RANDOM_MULTIPLIER;iter++) {
      final int blockBits = TestUtil.nextInt(random, 1, 20);
      final int blockSize = 1 << blockBits;
      final PagedBytes p = new PagedBytes(blockBits);
      final DataOutput out = p.getDataOutput();
      final int numBytes = random().nextInt(10000000);

      final byte[] answer = new byte[numBytes];
      random().nextBytes(answer);
      int written = 0;
      while(written < numBytes) {
        if (random().nextInt(10) == 7) {
          out.writeByte(answer[written++]);
        } else {
          int chunk = Math.min(random().nextInt(1000), numBytes - written);
          out.writeBytes(answer, written, chunk);
          written += chunk;
        }
      }

      final PagedBytes.Reader reader = p.freeze(random.nextBoolean());
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Related Classes of org.apache.lucene.store.DataOutput

  • com.alimama.mdrill.buffer.RepeatCompress.RepeatCompressRtn
  • org.apache.lucene.analysis.ja.util.BinaryDictionaryWriter
  • org.apache.lucene.analysis.ja.util.CharacterDefinitionWriter
  • org.apache.lucene.analysis.ja.util.ConnectionCostsWriter
  • org.apache.lucene.search.suggest.analyzing.AnalyzingSuggester
  • org.apache.lucene.search.suggest.analyzing.FreeTextSuggester
  • org.apache.lucene.search.suggest.Lookup
  • org.apache.lucene.util.BytesRef
  • org.apache.lucene.util.TestPagedBytes
  • java.util.zip.GZIPOutputStream
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