question: an idmapper capable of mapping string strings to long ids . concode_field_sep PlaceHolder placeHolder concode_field_sep void prepare concode_elem_sep IdMapper actual concode_elem_sep IdMapper longs concode_elem_sep boolean needsPreparation concode_elem_sep long get concode_elem_sep void visitMemoryStats concode_elem_sep String toString concode_elem_sep void put
target: IdMapper function ( NumberArrayFactory arg0 ) { return new EncodingIdMapper ( arg0 , new StringEncoder ( ) , new Radix . String ( ) ) ; }