Package com.google.appengine.tools.mapreduce.impl.util

Examples of com.google.appengine.tools.mapreduce.impl.util.Crc32c

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   */
  private static boolean isValidCrc(int checksum, ByteBuffer data, byte type) {
    if (checksum == 0 && type == 0) {
      return true;
    }
    Crc32c crc = new Crc32c();
    crc.update(type);
    crc.update(data.array(), 0, data.limit());

    return LevelDbConstants.unmaskCrc(checksum) == crc.getValue();
  }
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   * @param type The {@link RecordType} of the record, which is included in the
   *        checksum.
   * @return the masked checksum.
   */
  private int generateCrc(byte[] data, int off, int len, RecordType type) {
    Crc32c crc = new Crc32c();
    crc.update(type.value());
    crc.update(data, off, len);
    return (int) LevelDbConstants.maskCrc(crc.getValue());
  }
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Related Classes of com.google.appengine.tools.mapreduce.impl.util.Crc32c

  • com.google.appengine.tools.mapreduce.inputs.LevelDbInputReader
  • com.google.appengine.tools.mapreduce.outputs.LevelDbOutputWriter
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