# SearchFieldDaoImpl.java

    /*
     * Copyright (C) 2000 - 2026 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "https://www.silverpeas.org/legal/floss_exception.html"
     *
     * This program 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.whitepages.dao;

    import org.silverpeas.components.whitepages.model.SearchField;
    import org.silverpeas.core.annotation.Repository;

    import javax.inject.Named;
    import javax.persistence.EntityManager;
    import javax.persistence.PersistenceContext;
    import javax.persistence.TypedQuery;
    import javax.transaction.Transactional;
    import java.util.HashSet;
    import java.util.Set;

    @Repository
    @Named("searchFieldDao")
    @Transactional
    public class SearchFieldDaoImpl implements SearchFieldDao {

      @PersistenceContext
      private EntityManager theEntityManager;

      private EntityManager getEntityManager() {
        return this.theEntityManager;
      }

      @Override
      public void createSearchField(SearchField searchField) {
        getEntityManager().persist(searchField);
      }

      @Override
      public void deleteSearchFieldsFor(String instanceId) {
        EntityManager entityManager = getEntityManager();
        Set<SearchField> returnSet = getSearchFields(instanceId);
        if (returnSet != null && !returnSet.isEmpty()) {
          for (SearchField searchField : returnSet) {
            entityManager.remove(searchField);
          }
        }
      }

      @Override
      public Set<SearchField> getSearchFields(String instanceId) {
        TypedQuery<SearchField> query = getEntityManager().createNamedQuery("whitepages.findByInstanceId",
            SearchField.class);
        query.setParameter("instanceId", instanceId);
        return new HashSet<>(query.getResultList());
      }
    }