code: private DeepRecordReader initRecordReader(final DeepPartition dp,
                                                 CassandraDeepJobConfig<T> config) {
  
          DeepRecordReader recordReader = new DeepRecordReader(config, dp.splitWrapper());
  
          return recordReader;
  
      }
docs: Instantiates a new deep record reader object associated to the provided partition.
  
  @param dp a spark deep partition
  @return the deep record reader associated to the provided partition.