int function ( ) { return m_nCardinalityOfParents ; }
returns cardinality of parents concode_field_sep int[] m_nParents concode_elem_sep int m_nCardinalityOfParents concode_elem_sep int m_nNrOfParents concode_field_sep void MaxParentSetSize concode_elem_sep int GetNrOfParents concode_elem_sep int GetParent concode_elem_sep void DeleteLastParent concode_elem_sep void AddParent