Examples of java.math.BigDecimal.scale()

java.math.BigDecimal.scale()
Returns the scale of this {@code BigDecimal}. If zero or positive, the scale is the number of digits to the right of the decimal point. If negative, the unscaled value of the number is multiplied by ten to the power of the negation of the scale. For example, a scale of {@code -3} means the unscaledvalue is multiplied by 1000. @return the scale of this {@code BigDecimal}.




      // Some DBs give a negative number when they do not have a value for
      // the scale.  Assume that if the _scale is 0 or positive that the DB really
      // means for that to be the scale, but if it is negative then we do not check.
      if (_scale >= 0 && obj.scale() > _scale)
      {
        Object[] args = new Object[]{
                        Integer.valueOf(obj.scale()), 
                        Integer.valueOf(_scale)
                };

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      // the scale.  Assume that if the _scale is 0 or positive that the DB really
      // means for that to be the scale, but if it is negative then we do not check.
      if (_scale >= 0 && obj.scale() > _scale)
      {
        Object[] args = new Object[]{
                        Integer.valueOf(obj.scale()), 
                        Integer.valueOf(_scale)
                };
        // i18n[dataTypeBigDecimal.scaleEceeded=Scale Exceeded: Number 
                //of digits to right of decimal place ({0})\nis greater than 
                //allowed in column ({1}).]

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        if (o instanceof BigDecimal) {
            bd = (BigDecimal)o;
        } else {
            bd = new BigDecimal(o.toString());
        }
        if (bd.scale() != scale) {
            bd = bd.setScale(scale);
        }
        return bd;
    }

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        if (o instanceof BigDecimal) {
            bd = (BigDecimal)o;
        } else {
            bd = new BigDecimal(o.toString());
        }
        if (bd.scale() != scale) {
           bd = bd.setScale(scale);
        }
        return bd;
    }

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                try {
                    BigDecimal decimal = new BigDecimal(token.tokenString);


                    token.tokenValue = decimal;
                    token.dataType = NumberType.getNumberType(Types.NUMERIC,
                            JavaSystem.precision(decimal), decimal.scale());
                } catch (Exception e2) {
                    token.tokenType   = Tokens.X_MALFORMED_NUMERIC;
                    token.isMalformed = true;


                    return;

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            case Types.SQL_NUMERIC :
            case Types.SQL_DECIMAL : {
                BigDecimal dec = (BigDecimal) a;


                if (scale != dec.scale()) {
                    dec = dec.setScale(scale, BigDecimal.ROUND_HALF_DOWN);
                }


                int p = JavaSystem.precision(dec);

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                    if (precision - scale > 9 && o instanceof Integer) {
                        return 0;
                    }


                    BigDecimal dec = convertToDecimal(o);
                    int        s   = dec.scale();
                    int        p   = JavaSystem.precision(dec);


                    if (s < 0) {
                        p -= s;
                        s = 0;

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            return 0;
        }


        BigDecimal value = ((BigDecimal) a);


        if (value.scale() == 0) {
            return 0;
        }


        value = value.setScale(0, BigDecimal.ROUND_FLOOR);
        value = ((BigDecimal) a).subtract(value);

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    public static Number optimizeNumberRepresentation(Number number)
    {
        if(number instanceof BigDecimal)
        {
            BigDecimal bd = (BigDecimal) number;
            if(bd.scale() == 0)
            {
                // BigDecimal -> BigInteger
                number = bd.unscaledValue();
            }
            else

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             Object value, boolean isSelected, boolean hasFocus, 
             int row, int column) {
          BigDecimal valueAddedTaxPercentage = ((HomePieceOfFurniture)value).getValueAddedTaxPercentage();
          if (valueAddedTaxPercentage != null) {
            NumberFormat percentInstance = DecimalFormat.getPercentInstance();
            percentInstance.setMinimumFractionDigits(valueAddedTaxPercentage.scale() - 2);
            value = percentInstance.format(valueAddedTaxPercentage);
          } else {
            value = "";
          }
          setHorizontalAlignment(JLabel.RIGHT);

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