code: public void reopen(FileInputSplit split, Tuple3<Long, Long, GenericDataType[]> state) throws IOException {
  		this.customSchema = state.f2;
  		this.open(split);
  		this.getOfficeReader().getCurrentParser().setCurrentSheet(state.f0);
  		this.getOfficeReader().getCurrentParser().setCurrentRow(state.f1);
  
  	}
docs: *
  Restore reading from a certain row/sheet position and restore schema without
  rereadingit.
  
  @param split
  @param state
  @throws IOException