/**
    * This file Copyright (c) 2014-2015 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.module.cache.listeners;
  
  import info.magnolia.module.cache.Cache;
  import info.magnolia.module.cache.CacheModule;
  import info.magnolia.module.cache.ContentCachingConfiguration;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Cache wrapper which is responsible for calling of cache listeners.
   */
  public abstract class AbstractListeningCacheWrapper implements Cache {
      private static final Logger log = LoggerFactory.getLogger(AbstractListeningCacheWrapper.class);
  
      private final CacheModule cacheModule;
  
      public AbstractListeningCacheWrapper(CacheModule cacheModule) {
          this.cacheModule = cacheModule;
      }
  
      @Override
      public void put(Object key, Object value) {
          for (AbstractCacheListener listener : getListeners()) {
              listener.put(key, value);
          }
      }
  
      @Override
      public void put(Object key, Object value, int timeToLiveInSeconds) {
          for (AbstractCacheListener listener : getListeners()) {
              listener.put(key, value, timeToLiveInSeconds);
          }
      }
  
      @Override
      public Object get(Object key) {
          for (AbstractCacheListener listener : getListeners()) {
              listener.get(key);
          }
          return null;
      }
  
      @Override
      public Object getQuiet(Object key) {
          for (AbstractCacheListener listener : getListeners()) {
              listener.getQuiet(key);
          }
          return null;
      }
  
      @Override
      public void remove(Object key) {
          for (AbstractCacheListener listener : getListeners()) {
              listener.remove(key);
          }
      }
  
      @Override
      public void clear() {
          for (AbstractCacheListener listener : getListeners()) {
              listener.clear();
          }
     }
 
     @Override
     public abstract String getName();
 
     @Override
     public abstract int getSize();
 
     private List<AbstractCacheListener> getListeners() {
         ContentCachingConfiguration contentCachingConfiguration = this.cacheModule.getContentCaching(this.getName());
         return contentCachingConfiguration == null ? Collections.<AbstractCacheListener>emptyList() : contentCachingConfiguration.getListeners();
     }
 
 }