Package org.apache.lucene.store

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

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      }
      if (format < FORMAT_MAXIMUM) {
        throw new IndexFormatTooNewException(input, format,
          FORMAT_MINIMUM, FORMAT_MAXIMUM);
      }
      version = input.readLong(); // read version
      counter = input.readInt(); // read counter
     
      for (int i = input.readInt(); i > 0; i--) { // read segmentInfos
        SegmentInfo si = new SegmentInfo(directory, format, input);
        if (si.getVersion() == null) {
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      if(format >= 0){    // in old format the version number may be at the end of the file
        if (input.getFilePointer() >= input.length())
          version = System.currentTimeMillis(); // old file format without version number
        else
          version = input.readLong(); // read version
      }

      if (format <= FORMAT_USER_DATA) {
        if (format <= FORMAT_DIAGNOSTICS) {
          userData = input.readStringStringMap();
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      if (format <= FORMAT_CHECKSUM) {
        final long checksumNow = input.getChecksum();
        long checksumThen = checksum;
  if (!isusechecksumfile) {
      checksumThen = input.readLong();
  }
        if (checksumNow != checksumThen)
          throw new CorruptIndexException("checksum mismatch in segments file (resource: " + input + ")");
      }
      success = true;
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      int format = input.readInt();
      if(format < 0){     // file contains explicit format info
        // check that it is a format we can understand
        if (format < CURRENT_FORMAT)
          throw new CorruptIndexException("Unknown format version: " + format);
        version = input.readLong(); // read version
        counter = input.readInt(); // read counter
      }
      else{     // file is in old format without explicit format info
        counter = format;
      }
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      if(format >= 0){    // in old format the version number may be at the end of the file
        if (input.getFilePointer() >= input.length())
          version = System.currentTimeMillis(); // old file format without version number
        else
          version = input.readLong(); // read version
      }

      if (format <= FORMAT_USER_DATA) {
        if (format <= FORMAT_DIAGNOSTICS) {
          userData = input.readStringStringMap();
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        userData = Collections.EMPTY_MAP;
      }

      if (format <= FORMAT_CHECKSUM) {
        final long checksumNow = input.getChecksum();
        final long checksumThen = input.readLong();
        if (checksumNow != checksumThen)
          throw new CorruptIndexException("checksum mismatch in segments file");
      }
      success = true;
    }
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      int format = input.readInt();
      if(format < 0){     // file contains explicit format info
        // check that it is a format we can understand
        if (format < CURRENT_FORMAT)
          throw new CorruptIndexException("Unknown format version: " + format);
        version = input.readLong(); // read version
        counter = input.readInt(); // read counter
      }
      else{     // file is in old format without explicit format info
        counter = format;
      }
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      if(format >= 0){    // in old format the version number may be at the end of the file
        if (input.getFilePointer() >= input.length())
          version = System.currentTimeMillis(); // old file format without version number
        else
          version = input.readLong(); // read version
      }

      if (format <= FORMAT_USER_DATA) {
        if (format <= FORMAT_DIAGNOSTICS) {
          userData = input.readStringStringMap();
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        userData = Collections.<String,String>emptyMap();
      }

      if (format <= FORMAT_CHECKSUM) {
        final long checksumNow = input.getChecksum();
        final long checksumThen = input.readLong();
        if (checksumNow != checksumThen)
          throw new CorruptIndexException("checksum mismatch in segments file");
      }
      success = true;
    }
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    try {
      final int format = input.readInt();
      if (format == CodecUtil.CODEC_MAGIC) {
        // 4.0+
        int actualFormat = CodecUtil.checkHeaderNoMagic(input, "segments", VERSION_40, VERSION_46);
        version = input.readLong();
        counter = input.readInt();
        int numSegments = input.readInt();
        if (numSegments < 0) {
          throw new CorruptIndexException("invalid segment count: " + numSegments + " (resource: " + input + ")");
        }
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