question: read in implicit feedback data from a file . each line must consist of at least two fields , the first being a user identifier , the second being an item identifier . additional fields and empty lines are ignored . see constants.split _ chars for details of the permissible field separators . concode_field_sep PlaceHolder placeHolder concode_field_sep placeholderType placeHolder
target: IPosOnlyFeedback function ( String arg0 , IEntityMapping arg1 , IEntityMapping arg2 , boolean arg3 ) { BufferedReader loc0 ; if ( arg0 . equals ( "srini_string" ) ) { loc0 = new BufferedReader ( new InputStreamReader ( System . in ) ) ; } else { loc0 = new BufferedReader ( new FileReader ( arg0 ) ) ; } return read ( loc0 , arg1 , arg2 , arg3 ) ; }