question: get the input file name . concode_field_sep Text val concode_elem_sep String UNIQ_VALUE_COUNT concode_elem_sep String STRING_VALUE_MAX concode_elem_sep String VALUE_HISTOGRAM concode_elem_sep String LONG_VALUE_SUM concode_elem_sep String LONG_VALUE_MAX concode_elem_sep String LONG_VALUE_MIN concode_elem_sep String STRING_VALUE_MIN concode_elem_sep String DOUBLE_VALUE_SUM concode_elem_sep String inputFile concode_elem_sep Text key concode_field_sep Text getKey concode_elem_sep Text getValue concode_elem_sep ValueAggregator generateValueAggregator concode_elem_sep Text setValue concode_elem_sep Entry<Text,Text> generateEntry concode_elem_sep ArrayList<Entry<Text,Text>> generateKeyValPairs
target: void function ( Configuration arg0 ) { this . inputFile = arg0 . get ( MRJobConfig . MAP_INPUT_FILE ) ; }