protected void bindNumericColumnConstraints()

in grails-datastore-gorm-hibernate/src/main/groovy/org/grails/orm/hibernate/cfg/GrailsDomainBinder.java [3254:3300]
36 lines of code
12 McCabe index (conditional complexity)

    protected void bindNumericColumnConstraints(Column column, PersistentProperty property, ColumnConfig cc) {
        int scale = Column.DEFAULT_SCALE;
        int precision = Column.DEFAULT_PRECISION;


        PropertyConfig constrainedProperty = (PropertyConfig) property.getMapping().getMappedForm();
        if(  cc != null && cc.getScale() > - 1) {
            column.setScale(cc.getScale());
        } else if (constrainedProperty.getScale() > -1) {
            scale = constrainedProperty.getScale();
            column.setScale(scale);
        }


        if( cc != null && cc.getPrecision() > -1) {
            column.setPrecision(cc.getPrecision());
        }
        else {

            Comparable<?> minConstraintValue = constrainedProperty.getMin();
            Comparable<?> maxConstraintValue = constrainedProperty.getMax();

            int minConstraintValueLength = 0;
            if ((minConstraintValue != null) && (minConstraintValue instanceof Number)) {
                minConstraintValueLength = Math.max(
                        countDigits((Number) minConstraintValue),
                        countDigits(((Number) minConstraintValue).longValue()) + scale);
            }
            int maxConstraintValueLength = 0;
            if ((maxConstraintValue != null) && (maxConstraintValue instanceof Number)) {
                maxConstraintValueLength = Math.max(
                        countDigits((Number) maxConstraintValue),
                        countDigits(((Number) maxConstraintValue).longValue()) + scale);
            }

            if (minConstraintValueLength > 0 && maxConstraintValueLength > 0) {
                // If both of min and max constraints are setted we could use
                // maximum digits number in it as precision
                precision = Math.max(minConstraintValueLength, maxConstraintValueLength);
            } else {
                // Overwise we should also use default precision
                precision = DefaultGroovyMethods.max(new Integer[]{precision, minConstraintValueLength, maxConstraintValueLength});
            }

            column.setPrecision(precision);
        }
    }