Package org.apache.lucene.store

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

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          String segName = input.readString();
          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 + ")");
          }
          long fieldInfosGen = -1;
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          if (delCount < 0 || delCount > info.getDocCount()) {
            throw new CorruptIndexException("invalid deletion count: " + delCount + " (resource: " + input + ")");
          }
          long fieldInfosGen = -1;
          if (actualFormat >= VERSION_46) {
            fieldInfosGen = input.readLong();
          }
          SegmentCommitInfo siPerCommit = new SegmentCommitInfo(info, delCount, delGen, fieldInfosGen);
          if (actualFormat >= VERSION_46) {
            int numGensUpdatesFiles = input.readInt();
            final Map<Long,Set<String>> genUpdatesFiles;
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            if (numGensUpdatesFiles == 0) {
              genUpdatesFiles = Collections.emptyMap();
            } else {
              genUpdatesFiles = new HashMap<Long,Set<String>>(numGensUpdatesFiles);
              for (int i = 0; i < numGensUpdatesFiles; i++) {
                genUpdatesFiles.put(input.readLong(), input.readStringSet());
              }
            }
            siPerCommit.setGenUpdatesFiles(genUpdatesFiles);
          }
          add(siPerCommit);
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          info.info.setCodec(codec);
        }
      }

      final long checksumNow = input.getChecksum();
      final long 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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