Package org.apache.lucene.store

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

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    output.writeLong(2);
    output.close();

    IndexInput input = _cacheDirectory.openInput("test.file", IOContext.DEFAULT);
    assertEquals(0, input.readLong());
    assertEquals(1, input.readLong());
    assertEquals(2, input.readLong());
    input.close();
  }

  @Test
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    output.close();

    IndexInput input = _cacheDirectory.openInput("test.file", IOContext.DEFAULT);
    assertEquals(0, input.readLong());
    assertEquals(1, input.readLong());
    assertEquals(2, input.readLong());
    input.close();
  }

  @Test
  public void test2() throws IOException {
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            if (genInput != null) {
              try {
                int version = genInput.readInt();
                if (version == FORMAT_LOCKLESS) {
                  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_LOCKLESS) {
                  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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      int format = input.readInt();
      if(format < 0){     // file contains explicit format info
        // check that it is a format we can understand
        if (format < FORMAT_SINGLE_NORM_FILE)
          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
      }
      success = true;
    }
    finally {
      input.close();
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          try {
            format = input.readInt();
            if(format < 0){
              if (format < FORMAT_SINGLE_NORM_FILE)
                throw new IOException("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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      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);
      CodecUtil.checkEOF(data);
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