access a unique key for this state , combining the set id and the state id . concode_field_sep String m_id concode_elem_sep String m_setId concode_field_sep void init concode_elem_sep void setSetId concode_elem_sep String getSetId concode_elem_sep void recycle concode_elem_sep void setId concode_elem_sep void update concode_elem_sep String getId
String function ( ) { return m_setId + m_id ; }