code: private void setPredicates_(String scl) {
  		m_scl = scl;
  
  		for (int i = 0; i < 9; i++) {
  			if (m_scl.charAt(i) != '*') {
  				m_perform_predicates[i] = true;
  				m_predicate_count++;
  			} else
  				m_perform_predicates[i] = false;
  		}
  	}
docs: Sets the relation predicates from the scl string.