question: returns an reduced obis identifier . this means group f is set to null . i.e. not applicable concode_field_sep Integer groupD concode_elem_sep Integer groupC concode_elem_sep Integer groupF concode_elem_sep Integer groupE concode_elem_sep Pattern obisIdPattern concode_elem_sep String OBISID_REGEX concode_elem_sep Integer groupB concode_elem_sep Integer groupA concode_field_sep int hashCode concode_elem_sep boolean equals concode_elem_sep Integer getGroupE concode_elem_sep Integer getGroupF concode_elem_sep String toString concode_elem_sep int compareTo concode_elem_sep Integer getGroupA concode_elem_sep Integer getGroupB concode_elem_sep Integer getGroupC concode_elem_sep Integer getGroupD
target: OBISIdentifier function ( ) { return new OBISIdentifier ( groupA , groupB , groupC , groupD , groupE , null ) ; }