Package org.apache.lucene.store

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

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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.
                      genB = gen0;
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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.
                      genB = gen0;
                      break;
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          if (genInput != null) {
            try {
              int version = genInput.readInt();
              if (version == FORMAT_SEGMENTS_GEN_CURRENT) {
                long gen0 = genInput.readLong();
                long gen1 = genInput.readLong();
                if (infoStream != null) {
                  message("fallback check: " + gen0 + "; " + gen1);
                }
                if (gen0 == gen1) {
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          if (genInput != null) {
            try {
              int version = genInput.readInt();
              if (version == FORMAT_SEGMENTS_GEN_CURRENT) {
                long gen0 = genInput.readLong();
                long gen1 = genInput.readLong();
                if (infoStream != null) {
                  message("fallback check: " + gen0 + "; " + gen1);
                }
                if (gen0 == gen1) {
                  // The file is consistent.
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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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      index = dir.openInput(indexName, state.context);
      CodecUtil.checkHeader(index, Lucene40DocValuesFormat.BYTES_VAR_DEREF_CODEC_NAME_IDX,
                                   Lucene40DocValuesFormat.BYTES_VAR_DEREF_VERSION_START,
                                   Lucene40DocValuesFormat.BYTES_VAR_DEREF_VERSION_CURRENT);
     
      final long totalBytes = index.readLong();
      final PagedBytes bytes = new PagedBytes(16);
      bytes.copy(data, totalBytes);
      final PagedBytes.Reader bytesReader = bytes.freeze(true);
      final PackedInts.Reader reader = PackedInts.getReader(index);
      if (data.getFilePointer() != data.length()) {
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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 < FORMAT)
          throw new IOException("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
      }
    }
    finally {
      input.close();
    }
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    try {
      format = input.readInt();
      if(format < 0){
        if (format < FORMAT)
          throw new IOException("Unknown format version: " + format);
        version = input.readLong(); // read version
      }
    }
    finally {
      input.close();
    }
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                    try
                    {
                        ii = directory.openInput( TIMESTAMP_FILE );

                        result = new Date( ii.readLong() );

                        ii.close();
                    }
                    finally
                    {
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