rule "Minimum and maximum number of assignments"
        ...
    then
        int totalInt = $total.intValue();
        if ($contractLine.isMinimumEnabled() && totalInt < $contractLine.getMinimumValue()) {
            scoreHolder.addSoftConstraintMatch(kcontext,
                    (totalInt - $contractLine.getMinimumValue()) * $contractLine.getMinimumWeight());
        } else if ($contractLine.isMaximumEnabled() && totalInt > $contractLine.getMaximumValue()) {
            scoreHolder.addSoftConstraintMatch(kcontext,
                    ($contractLine.getMaximumValue() - totalInt) * $contractLine.getMaximumWeight());
        }
end