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.hibernate;
  
  import javax.inject.Inject;
  
  import org.hibernate.HibernateException;
  import org.hibernate.Session;
  import org.hibernate.Transaction;
  import org.n52.faroe.annotation.Configurable;
  import org.n52.faroe.annotation.Setting;
  import org.n52.iceland.ds.ConnectionProvider;
  import org.n52.janmayen.lifecycle.Constructable;
  import org.n52.series.db.beans.ProcedureEntity;
  import org.n52.series.db.beans.ProcedureHistoryEntity;
  import org.n52.shetland.ogc.ows.exception.NoApplicableCodeException;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.shetland.ogc.sos.SosConstants;
  import org.n52.shetland.ogc.sos.request.DeleteSensorRequest;
  import org.n52.shetland.ogc.sos.response.DeleteSensorResponse;
  import org.n52.sos.ds.AbstractDeleteSensorHandler;
  import org.n52.sos.ds.hibernate.dao.DaoFactory;
  import org.n52.sos.ds.hibernate.util.HibernateHelper;
  import org.n52.sos.ds.hibernate.util.TransactionHelper;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.annotations.VisibleForTesting;
  
  import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  
  /**
   * Implementation of the abstract class AbstractDeleteSensorHandler
   *
   * @since 4.0.0
   *
   */
  @Configurable
  @SuppressFBWarnings({ "EI_EXPOSE_REP" })
  public class DeleteSensorHandler extends AbstractDeleteSensorHandler
          implements DeleteDataHelper, Constructable, TransactionHelper {
      private static final Logger LOGGER = LoggerFactory.getLogger(DeleteSensorHandler.class);
  
      @Inject
      private ConnectionProvider connectionProvider;
  
      @Inject
      private DaoFactory daoFactory;
  
      private HibernateSessionHolder sessionHolder;
  
      private Boolean deletePhysically = false;
  
      public DeleteSensorHandler() {
          super(SosConstants.SOS);
      }
  
      @Setting("service.transactional.DeletePhysically")
      public void setDeletePhysically(Boolean deletePhysically) {
          this.deletePhysically = deletePhysically;
      }
  
      @Override
      public void init() {
          this.sessionHolder = new HibernateSessionHolder(connectionProvider);
      }
  
      @Override
      public synchronized DeleteSensorResponse deleteSensor(DeleteSensorRequest request) throws OwsExceptionReport {
          DeleteSensorResponse response = new DeleteSensorResponse();
          response.setService(request.getService());
          response.setVersion(request.getVersion());
          Session session = null;
          Transaction transaction = null;
          try {
              session = getHibernateSessionHolder().getSession();
              transaction = getTransaction(session);
              String identifier = request.getProcedureIdentifier();
              ProcedureEntity procedure = daoFactory.getProcedureDAO().getProcedureForIdentifier(identifier, session);
              deleteSensor(procedure, session);
              transaction.commit();
              response.setDeletedProcedure(request.getProcedureIdentifier());
          } catch (HibernateException he) {
              if (transaction != null) {
                  transaction.rollback();
              }
              throw new NoApplicableCodeException().causedBy(he)
                      .withMessage("Error while updateing deleted sensor flag data!");
          } finally {
              getHibernateSessionHolder().returnSession(session);
          }
          return response;
      }
  
      @Override
      public DaoFactory getDaoFactory() {
          return daoFactory;
      }
  
      @Override
      public Logger getLogger() {
          return LOGGER;
      }
  
      @Override
      public boolean isSupported() {
          return HibernateHelper.isEntitySupported(ProcedureHistoryEntity.class);
      }
  
      private synchronized HibernateSessionHolder getHibernateSessionHolder() {
          return sessionHolder;
      }
  
      @VisibleForTesting
      protected synchronized void initForTesting(DaoFactory daoFactory, ConnectionProvider connectionProvider) {
          this.daoFactory = daoFactory;
          this.connectionProvider = connectionProvider;
      }
  
      @Override
      public boolean isDeletePhysically() {
          return deletePhysically;
      }
  
  }
  