package org.jtheque.primary.services.impl;

 /*

  * This file is part of JTheque.

  *

  * JTheque is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License.

  *

  * JTheque is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 import org.jtheque.core.managers.persistence.able.DataListener;

 import org.jtheque.primary.dao.able.IDaoCountries;

 import org.jtheque.primary.od.able.Country;

 import org.jtheque.primary.services.able.ICountriesService;

 import org.springframework.stereotype.Service;

 import org.springframework.transaction.annotation.Transactional;

 import javax.annotation.Resource;

 import java.util.Collection;

 /**

  * A countries service implementation.

  *

  * @author Baptiste Wicht

  */

 @Service

 public final class CountriesService implements ICountriesService {

     private Country defaultCountry;

     @Resource

     private IDaoCountries daoCountries;

     @Override

     public Country getDefaultCountry() {

         if (defaultCountry == null) {

             defaultCountry = daoCountries.getCountry("USA");

             if (defaultCountry == null) {

                 createDefaultCountry();

             }

         }

         return defaultCountry;

     }

     /**

      * Create the default country.

      */

     @Transactional

     private void createDefaultCountry() {

         defaultCountry = daoCountries.createCountry();

         defaultCountry.setName("USA");

         daoCountries.create(defaultCountry);

     }

     @Override

     @Transactional

     public void save(Country country) {

         daoCountries.save(country);

     }

     @Override

     @Transactional

     public void create(Country country) {

         daoCountries.create(country);

     }

     @Override

     @Transactional

     public boolean delete(Country country) {

         return daoCountries.delete(country);

     }

     @Override

     public Collection<Country> getCountries() {

         return daoCountries.getCountries();

     }

     @Override

     public Country getCountry(String name) {

         return daoCountries.getCountry(name);

     }

     @Override

     @Transactional

     public void createAll(Iterable<Country> countries) {

         for (Country country : countries) {

             daoCountries.create(country);

         }

     }

     @Override

     public boolean exist(Country country) {

         return daoCountries.exist(country);

     }

     @Override

     public Country getEmptyCountry() {

         return daoCountries.createCountry();

     }

     @Override

     public boolean exist(String name) {

         return getCountry(name) != null;

     }

     @Override

     public Collection<Country> getDatas() {

         return getCountries();

     }

     @Override

     public void addDataListener(DataListener listener) {

         daoCountries.addDataListener(listener);

     }

     @Override

     @Transactional

     public void clearAll() {

         daoCountries.clearAll();

     }

     @Override

     public String getDataType() {

         return DATA_TYPE;

     }

 }