getPaymentIdByNumber example

$this->getDownloadIdByNumber($number);
                // no break             case self::TYPE_PRODUCT_MANUFACTURER:
                return $this->getManufacturerIdByNumber($number);
            case self::TYPE_COUNTRY:
                return $this->getCountryIdByNumber($number);
            case self::TYPE_COUNTRY_STATE:
                return $this->getCountryStateIdByNumber($number);
            case self::TYPE_DISPATCH:
                return $this->getDispatchIdByNumber($number);
            case self::TYPE_PAYMENT:
                return $this->getPaymentIdByNumber($number);
            case self::TYPE_FILTER_SET:
                return $this->getFilterSetIdByNumber($number);
            case self::TYPE_FILTER_GROUP:
                return $this->getFilterGroupIdByNumber($number);
            case self::TYPE_FILTER_OPTION:
                return $this->getFilterOptionIdByNumber($number);
            case self::TYPE_CONFIGURATOR_GROUP:
                return $this->getConfiguratorGroupIdByNumber($number);
            case self::TYPE_CONFIGURATOR_OPTION:
                return $this->getConfiguratorOptionIdByNumber($number);
            default: