Package org.apache.lucene.store

Examples of org.apache.lucene.store.ChecksumIndexInput.readInt()

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              // Recorded per-generation files, which were buggy (see
              // LUCENE-5636). We need to read and keep them so we continue to
              // reference those files. Unfortunately it means that the files will
              // be referenced even if the fields are updated again, until the
              // segment is merged.
              final int numGensUpdatesFiles = input.readInt();
              final Map<Long,Set<String>> genUpdatesFiles;
              if (numGensUpdatesFiles == 0) {
                genUpdatesFiles = Collections.emptyMap();
              } else {
                genUpdatesFiles = new HashMap<>(numGensUpdatesFiles);
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              }
              siPerCommit.setGenUpdatesFiles(genUpdatesFiles);
            } else {
              siPerCommit.setFieldInfosFiles(input.readStringSet());
              final Map<Integer,Set<String>> dvUpdateFiles;
              final int numDVFields = input.readInt();
              if (numDVFields == 0) {
                dvUpdateFiles = Collections.emptyMap();
              } else {
                dvUpdateFiles = new HashMap<>(numDVFields);
                for (int i = 0; i < numDVFields; i++) {
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              if (numDVFields == 0) {
                dvUpdateFiles = Collections.emptyMap();
              } else {
                dvUpdateFiles = new HashMap<>(numDVFields);
                for (int i = 0; i < numDVFields; i++) {
                  dvUpdateFiles.put(input.readInt(), input.readStringSet());
                }
              }
              siPerCommit.setDocValuesUpdatesFiles(dvUpdateFiles);
            }
          }
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            }
          }
 
          if (genInput != null) {
            try {
              int version = genInput.readInt();
              if (version == FORMAT_SEGMENTS_GEN_47 || version == FORMAT_SEGMENTS_GEN_CHECKSUM) {
                long gen0 = genInput.readLong();
                long gen1 = genInput.readLong();
                if (infoStream != null) {
                  message("fallback check: " + gen0 + "; " + gen1);
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    lastGeneration = generation;

    ChecksumIndexInput input = directory.openChecksumInput(segmentFileName, IOContext.READ);
    try {
      final int format = input.readInt();
      final int actualFormat;
      if (format == CodecUtil.CODEC_MAGIC) {
        // 4.0+
        actualFormat = CodecUtil.checkHeaderNoMagic(input, "segments", VERSION_40, VERSION_49);
        version = input.readLong();
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      final int actualFormat;
      if (format == CodecUtil.CODEC_MAGIC) {
        // 4.0+
        actualFormat = CodecUtil.checkHeaderNoMagic(input, "segments", VERSION_40, VERSION_49);
        version = input.readLong();
        counter = input.readInt();
        int numSegments = input.readInt();
        if (numSegments < 0) {
          throw new CorruptIndexException("invalid segment count: " + numSegments + " (resource: " + input + ")");
        }
        for (int seg = 0; seg < numSegments; seg++) {
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    lastGeneration = generation;

    ChecksumIndexInput input = new ChecksumIndexInput(directory.openInput(segmentFileName, IOContext.READ));
    try {
      final int format = input.readInt();
      if (format == CodecUtil.CODEC_MAGIC) {
        // 4.0+
        CodecUtil.checkHeaderNoMagic(input, "segments", VERSION_40, VERSION_40);
        version = input.readLong();
        counter = input.readInt();
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      final int format = input.readInt();
      if (format == CodecUtil.CODEC_MAGIC) {
        // 4.0+
        CodecUtil.checkHeaderNoMagic(input, "segments", VERSION_40, VERSION_40);
        version = input.readLong();
        counter = input.readInt();
        int numSegments = input.readInt();
        if (numSegments < 0) {
          throw new CorruptIndexException("invalid segment count: " + numSegments + " (resource: " + input + ")");
        }
        for(int seg=0;seg<numSegments;seg++) {
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      if (format == CodecUtil.CODEC_MAGIC) {
        // 4.0+
        CodecUtil.checkHeaderNoMagic(input, "segments", VERSION_40, VERSION_40);
        version = input.readLong();
        counter = input.readInt();
        int numSegments = input.readInt();
        if (numSegments < 0) {
          throw new CorruptIndexException("invalid segment count: " + numSegments + " (resource: " + input + ")");
        }
        for(int seg=0;seg<numSegments;seg++) {
          String segName = input.readString();
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          Codec codec = Codec.forName(input.readString());
          //System.out.println("SIS.read seg=" + seg + " codec=" + codec);
          SegmentInfo info = codec.segmentInfoFormat().getSegmentInfoReader().read(directory, segName, IOContext.READ);
          info.setCodec(codec);
          long delGen = input.readLong();
          int delCount = input.readInt();
          if (delCount < 0 || delCount > info.getDocCount()) {
            throw new CorruptIndexException("invalid deletion count: " + delCount + " (resource: " + input + ")");
          }
          add(new SegmentInfoPerCommit(info, delCount, delGen));
        }
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