public int hashCode() { return operatorKind.hashCode() + (dataValue != null ? dataValue.hashCode() : 0); }
public String toString() { return "OP=" + operatorKind + ", " + dataValue != null ? dataValue.toString() : "NULL_DV"; }
protected static DataValue parseDataValue(String rmType, String dvStr) { return DataValue.parseValue(rmType + "," + dvStr); }