private String resolveScoreField(IBindingSet bs){
  String scoreFieldStr=resolveAsString(scoreField,bs);
  if (scoreFieldStr == null || scoreFieldStr.isEmpty()) {
    scoreFieldStr=defaults.getDefaultScoreField();
  }
  return scoreFieldStr == null || scoreFieldStr.isEmpty() ? FTS.Options.DEFAULT_SCORE_FIELD : scoreFieldStr;
}

private String resolveScoreField ( IBindingSet bs ) { String scoreFieldStr = resolveAsString ( scoreField , bs ) ; if ( scoreFieldStr == null || scoreFieldStr . isEmpty ( ) ) { scoreFieldStr = defaults . getDefaultScoreField ( ) ; } return scoreFieldStr == null || scoreFieldStr . isEmpty ( ) ? FTS . Options . DEFAULT_SCORE_FIELD : scoreFieldStr ; }
resolves the search field , which is either a constant or a variable to be looked up in the binding set .
