Package org.apache.lucene.store

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

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  @Override
  public FieldsProducer fieldsProducer(SegmentReadState state) throws IOException {

    final String seedFileName = IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, SEED_EXT);
    final IndexInput in = state.directory.openInput(seedFileName, state.context);
    final long seed = in.readLong();
    if (LuceneTestCase.VERBOSE) {
      System.out.println("MockRandomCodec: reading from seg=" + state.segmentInfo.name + " formatID=" + state.segmentSuffix + " seed=" + seed);
    }
    in.close();
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          IndexInput data = this.data.clone();
          data.seek(offset);
          assert length % 8 == 0;
          long bits[] = new long[(int) length >> 3];
          for (int i = 0; i < bits.length; i++) {
            bits[i] = data.readLong();
          }
          instance = new FixedBitSet(bits, maxDoc);
          docsWithFieldInstances.put(fieldNumber, instance);
        }
      }
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          IndexInput data = this.data.clone();
          data.seek(offset);
          assert length % 8 == 0;
          long bits[] = new long[(int) length >> 3];
          for (int i = 0; i < bits.length; i++) {
            bits[i] = data.readLong();
          }
          instance = new FixedBitSet(bits, maxDoc);
          docsWithFieldInstances.put(fieldNumber, instance);
        }
      }
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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
      }
      success = true;
    }
    finally {
      input.close();
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          try {
            format = input.readInt();
            if(format < 0){
              if (format < CURRENT_FORMAT)
                throw new CorruptIndexException("Unknown format version: " + format);
              version = input.readLong(); // read version
            }
          }
          finally {
            input.close();
          }
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            if (genInput != null) {

              try {
                int version = genInput.readInt();
                if (version == FORMAT_LOCKLESS) {
                  long gen0 = genInput.readLong();
                  long gen1 = genInput.readLong();
                  message("fallback check: " + gen0 + "; " + gen1);
                  if (gen0 == gen1) {
                    // The file is consistent.
                    if (gen0 > gen) {
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              try {
                int version = genInput.readInt();
                if (version == FORMAT_LOCKLESS) {
                  long gen0 = genInput.readLong();
                  long gen1 = genInput.readLong();
                  message("fallback check: " + gen0 + "; " + gen1);
                  if (gen0 == gen1) {
                    // The file is consistent.
                    if (gen0 > gen) {
                      message("fallback to '" + IndexFileNames.SEGMENTS_GEN + "' check: now try generation " + gen0 + " > " + gen);
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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
      }
      success = true;
    }
    finally {
      input.close();
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