Method setRules

/**
 * Method to set rules for the record.
 *
 * @param   mixed  $input  A Rules object, JSON string, or array.
 *
 * @return  void
 *
 * @since   1.7.0
 */
public function setRules($input)
{
    if ($input instanceof Rules) {
        $this->_rules = $input;
    } else {
        $this->_rules = new Rules($input);
    }
}