question: configure a job 's mapper implementation . concode_field_sep String COMBINER concode_elem_sep String MAP_OUTPUT_SCHEMA concode_elem_sep String INPUT_SCHEMA concode_elem_sep String MAPPER concode_elem_sep String TEXT_PREFIX concode_elem_sep String CONF_DATA_MODEL concode_elem_sep String BINARY_PREFIX concode_elem_sep String OUTPUT_SCHEMA concode_elem_sep String INPUT_IS_REFLECT concode_elem_sep String MAP_OUTPUT_IS_REFLECT concode_elem_sep String REDUCER concode_elem_sep String OUTPUT_CODEC concode_field_sep void configureAvroShuffle concode_elem_sep GenericData createDataModel concode_elem_sep Schema getOutputSchema concode_elem_sep void setInputSequenceFile concode_elem_sep void configureAvroInput concode_elem_sep void setDataModelClass concode_elem_sep void setInputSchema concode_elem_sep void setInputReflect concode_elem_sep void setOutputSchema concode_elem_sep void configureAvroOutput concode_elem_sep Class<? extends GenericData> getDataModelClass concode_elem_sep void setMapOutputSchema concode_elem_sep GenericData newDataModelInstance concode_elem_sep Schema getInputSchema concode_elem_sep void setReducerClass concode_elem_sep Schema getMapOutputSchema concode_elem_sep void setReflect concode_elem_sep GenericData createInputDataModel concode_elem_sep void setMapOutputReflect concode_elem_sep void setOutputCodec concode_elem_sep void setCombinerClass concode_elem_sep GenericData createMapOutputDataModel concode_elem_sep void setOutputMeta concode_elem_sep void setOutputMeta concode_elem_sep void setOutputMeta
target: void function ( JobConf arg0 , Class < ? extends AvroMapper > arg1 ) { arg0 . set ( MAPPER , arg1 . getName ( ) ) ; }