public static void setInputFormat ( Class < ? > realInputFormatClass , Configuration conf ) { conf . setClass ( "mapred.input.format.class" , DeprecatedInputFormatWrapper . class , org . apache . hadoop . mapred . InputFormat . class ) ; HadoopUtils . setClassConf ( conf , CLASS_CONF_KEY , realInputFormatClass ) ; }
For cases where we need to set hadoop1 input format in a hadoop2 Configuration object .