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.web.admin;
  
  import javax.inject.Inject;
  
  import org.n52.iceland.cache.ContentCacheController;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.sos.cache.SosContentCache;
  import org.n52.sos.web.common.AbstractController;
  
  /**
   * @since 4.0.0
   *
   */
  public abstract class AbstractAdminController extends AbstractController {
  
      private ContentCacheController contentCacheController;
  
      @Inject
      public void setContentCacheController(ContentCacheController ctrl) {
          this.contentCacheController = ctrl;
      }
  
      protected boolean cacheIsLoading() {
          return contentCacheController.isUpdateInProgress();
      }
  
      protected void updateCache()
              throws OwsExceptionReport {
          //don't wait for cache update to complete since it can take much longer than browser timeouts.
          //instead, start it and then check loading status from the client using cacheIsLoading().
          new Thread(() -> {
              try {
                  contentCacheController.update();
              } catch (OwsExceptionReport e) {
                  //NOOP
                  //TODO should the last cache loading error be stored and accessible to the client?
              }
          }).start();
      }
  
      public ContentCacheController getContentCacheController() {
          return contentCacheController;
      }
  
      protected SosContentCache getCache() {
          return (SosContentCache) this.contentCacheController.getCache();
      }
  
  }
  