T function ( ID arg0 ) { return dao . findById ( arg0 ) . orElse ( null ) ; }
get the object by id . concode_field_sep CommonRepository<T,ID> dao concode_field_sep List<T> getAll concode_elem_sep T create concode_elem_sep T update concode_elem_sep void delete concode_elem_sep List<T> findAll concode_elem_sep Page<T> findAll