@Override
    public boolean isValid(final T value) {
        boolean valid = false;
        for (Radio child : inputWidget.getRadioChildren()) {
            valid |= child.getValue();
        }
        return valid;
    }
@ Override public boolean isValid ( final T value ) { boolean valid = false ; for ( Radio child : inputWidget . getRadioChildren ( ) ) { valid |= child . getValue ( ) ; } return valid ; }
{@inheritDoc}