removes all the defined mappers and adds the default mappers . concode_field_sep Set<Class<? extends BaseMapper<?>>> mapper concode_field_sep void addMapper concode_elem_sep void addMapper concode_elem_sep void addMapper concode_elem_sep Collection<Class<? extends BaseMapper<?>>> getMapper concode_elem_sep String toString concode_elem_sep void setMapper
void function ( ) { this . mapper . clear ( ) ; addMapper ( DateMapper . class ) ; addMapper ( LongMapper . class ) ; }