/*
 * Copyright (C) 2009 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.etk.component.database.impl;

import org.etk.common.logging.Logger;
import org.etk.kernel.cache.CacheService;
import org.etk.kernel.cache.ExoCache;
import org.hibernate.cache.Cache;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.CacheProvider;
import org.hibernate.cache.Timestamper;

import java.io.Serializable;
import java.util.Properties;

/**
 * Created by The eXo Platform SAS .
 * 
 * @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady Azarenkov
 *         </a>
 * @version $Id: ExoCacheProvider.java 34415 2009-07-23 14:33:34Z dkatayev $
 */
@Deprecated
public class ExoCacheProvider implements CacheProvider
{

   private static Logger LOG = Logger.getLogger(ExoCacheProvider.class);

   private CacheService cacheService;

   public ExoCacheProvider(CacheService cacheService)
   {
      this.cacheService = cacheService;

   }

   public Cache buildCache(String name, Properties properties) throws CacheException
   {
      try
      {
         ExoCache<Serializable, Object> cache = cacheService.getCacheInstance(name);
         cache.setMaxSize(5000); // TODO Do we really need override configuration
         // in this way ?
         return new ExoCachePlugin(cache);
      }
      catch (Exception ex)
      {
         LOG.error(ex.getLocalizedMessage(), ex);
         throw new CacheException("Cannot instanstiate cache provider");
      }
   }

   public long nextTimestamp()
   {
      return Timestamper.next();
   }

   /**
    * Callback to perform any necessary initialization of the underlying cache
    * implementation during SessionFactory construction.
    * 
    * @param properties current configuration settings.
    */
   public void start(Properties properties) throws CacheException
   {

   }

   /**
    * Callback to perform any necessary cleanup of the underlying cache
    * implementation during SessionFactory.close().
    */
   public void stop()
   {

   }

   public boolean isMinimalPutsEnabledByDefault()
   {
      return true;
   }

}