content: /*
   * Copyright (C) 2012-2023 52°North Spatial Information Research GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *     - Apache License, version 2.0
   *     - Apache Software License, version 1.0
   *     - GNU Lesser General Public License, version 3
   *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
   *     - Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * 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 General
   * Public License for more details.
   */
  package org.n52.sos.ds.cache.base;
  
  import java.util.List;
  
  import org.hibernate.FetchMode;
  import org.hibernate.Session;
  import org.n52.iceland.util.action.Action;
  import org.n52.series.db.beans.ResultTemplateEntity;
  import org.n52.sos.ds.cache.AbstractThreadableDatasourceCacheUpdate;
  import org.n52.sos.ds.hibernate.util.HibernateHelper;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * When executing this &auml;ction (see {@link Action}), the following relations
   * are added, settings are updated in cache:
   * <ul>
   * <li>Result template identifier</li>
   * <li>Procedure &rarr; 'Result template identifier' relation</li>
   * <li>'Result template identifier' &rarr; 'observable property' relation</li>
   * <li>'Result template identifier' &rarr; 'feature of interest' relation</li>
   * </ul>
   *
   * @author <a href="mailto:c.autermann@52north.org">Christian Autermann</a>
   * @author <a href="mailto:e.h.juerrens@52north.org">Eike Hinderk
   *         J&uuml;rrens</a>
   * @since 4.0.0
   */
  public class ResultTemplateCacheUpdate extends AbstractThreadableDatasourceCacheUpdate {
      private static final Logger LOGGER = LoggerFactory.getLogger(ResultTemplateCacheUpdate.class);
  
      @Override
      public void execute() {
          LOGGER.debug("Executing ResultTemplateCacheUpdate");
          startStopwatch();
          if (HibernateHelper.isEntitySupported(ResultTemplateEntity.class)) {
              List<ResultTemplateEntity> resultTemplates = getResultTemplateObjects(getSession());
              for (ResultTemplateEntity resultTemplate : resultTemplates) {
                  String id = resultTemplate.getIdentifier();
                  getCache().addResultTemplate(id);
                  getCache().addResultTemplateForOffering(resultTemplate.getOffering().getIdentifier(), id);
                  getCache().addObservablePropertyForResultTemplate(id, resultTemplate.getPhenomenon().getIdentifier());
                  if (resultTemplate.getFeature() != null) {
                      getCache().addFeatureOfInterestForResultTemplate(id, resultTemplate.getFeature().getIdentifier());
                  }
              }
          }
          LOGGER.debug("Finished executing ResultTemplateCacheUpdate ({})", getStopwatchResult());
      }
  
      private List<ResultTemplateEntity> getResultTemplateObjects(Session session) {
          return session.createCriteria(ResultTemplateEntity.class)
                  .setFetchMode(ResultTemplateEntity.PROPERTY_OFFERING, FetchMode.JOIN)
                  .setFetchMode(ResultTemplateEntity.PROPERTY_PHENOMENON, FetchMode.JOIN)
                  .setFetchMode(ResultTemplateEntity.PROPERTY_FEATURE, FetchMode.JOIN).list();
      }
  
  }
  