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<?php
/* --------------------------------------------------------------
   CustomerCountryReaderInterface.inc.php 2015-02-18 gm
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2015 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

/**
 * Interface CustomerCountryZoneReaderInterface
 *
 * @category   System
 * @package    Customer
 * @subpackage Interfaces
 */
interface CustomerCountryZoneReaderInterface
{
    
    /**
     * Method to find a country zone with a given name if it exists else it will return null
     *
     * @param CustomerCountryZoneNameInterface $countryZoneName
     *
     * @return CustomerCountryZone|null
     * @throws InvalidArgumentException if $p_countryZoneName is not a string
     */
    public function findByName(CustomerCountryZoneNameInterface $countryZoneName);
    
    
    /**
     * Method to find a country zone with a given ID if it exists else it will return null
     *
     * @param IdType $countryZoneId
     *
     * @return CustomerCountryZone|null
     * @throws InvalidArgumentException if $p_countryZoneName is not a string
     */
    public function findById(IdType $countryZoneId);
    
    
    /**
     * Method to find a country zone with a given country ID if it exists else it will return an empty array
     *
     * @param IdType $countryId
     *
     * @return array of CustomerCountryZone objects|empty array
     * @throws InvalidArgumentException
     */
    public function findCountryZonesByCountryId(IdType $countryId);
    
    
    /**
     * Returns an array with country zone data.
     * An empty array will be returned if no results are found.
     *
     * @param \CustomerCountryZoneIsoCodeInterface $zoneCode Zone code of expected country zone.
     * @param \CustomerCountryInterface            $country  Country of zone.
     *
     * @return \CustomerCountryZoneInterface|null Country zone.
     */
    public function findCountryZoneByZoneCodeAndCountry(CustomerCountryZoneIsoCodeInterface $zoneCode,
                                                        CustomerCountryInterface $country);
    
    
    /**
     * Returns an array with country zone data.
     * An empty array will be returned if no results are found.
     *
     * @param \CustomerCountryZoneIsoCodeInterface $zoneCode  Zone code of expected country zone.
     * @param \IdType                              $countryId Country id of zone.
     *
     * @return \CustomerCountryZoneInterface|null Country zone.
     */
    public function findCountryZoneByZoneCodeAndCountryId(CustomerCountryZoneIsoCodeInterface $zoneCode,
                                                          IdType $countryId);
}