# InfoLetterInstancePreDestruction.java

    /*
     * Copyright (C) 2000 - 2026 Silverpeas
     * <p>
     * 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.
     * <p>
     * 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:
     * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
     * <p>
     * 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.
     * <p>
     * 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.infoletter;

    import org.silverpeas.core.admin.component.ComponentInstancePreDestruction;
    import org.silverpeas.components.infoletter.model.InfoLetterService;

    import javax.inject.Inject;
    import javax.inject.Named;
    import javax.transaction.Transactional;

    /**
     * A process to delete all the info letters data related to the application instance that is
     * being deleted.
     * @author mmoquillon
     */
    @Named
    public class InfoLetterInstancePreDestruction implements ComponentInstancePreDestruction {

      @Inject
      private InfoLetterService service;

      /**
       * Performs pre destruction tasks in the behalf of the specified InfoLetter instance.
       * @param componentInstanceId the unique identifier of the InfoLetter instance.
       */
      @Transactional
      @Override
      public void preDestroy(final String componentInstanceId) {
        service.deleteAllInfoLetters(componentInstanceId);
      }
    }