/*
* Copyright (C) 2011 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.exoplatform.portal.mop.navigation;
import org.exoplatform.commons.cache.future.FutureExoCache;
import org.exoplatform.commons.cache.future.Loader;
import org.exoplatform.commons.scope.ScopedKey;
import org.exoplatform.portal.mop.SiteKey;
import org.exoplatform.portal.pom.config.POMSession;
import org.exoplatform.services.cache.CacheService;
import org.exoplatform.services.cache.ExoCache;
import java.io.Serializable;
import java.util.Collection;
/**
* An implementation using the cache service.
*
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
*/
public class ExoDataCache extends DataCache
{
/** . */
protected ExoCache<ScopedKey<?>, Serializable> cache;
/** . */
protected FutureExoCache<ScopedKey<?>, Serializable, POMSession> objects;
/** . */
private Loader<ScopedKey<?>, Serializable, POMSession> navigationLoader = new Loader<ScopedKey<?>, Serializable, POMSession>()
{
public Serializable retrieve(POMSession session, ScopedKey<?> scopedKey) throws Exception
{
Object key = scopedKey.getKey();
if (key instanceof SiteKey)
{
return loadNavigation(session, (SiteKey)key);
}
else
{
return loadNode(session, (String)key);
}
}
};
public ExoDataCache(CacheService cacheService)
{
this.cache = cacheService.getCacheInstance(NavigationService.class.getSimpleName());
this.objects = new FutureExoCache<ScopedKey<?>, Serializable, POMSession>(navigationLoader, cache);
}
@Override
protected void removeNodes(Collection<String> keys)
{
for (String key : keys)
{
cache.remove(ScopedKey.create(key));
}
}
@Override
protected NodeData getNode(POMSession session, String key)
{
return (NodeData)objects.get(session, ScopedKey.create(key));
}
@Override
protected void removeNavigation(SiteKey key)
{
cache.remove(ScopedKey.create(key));
}
@Override
protected NavigationData getNavigation(POMSession session, SiteKey key)
{
return (NavigationData)objects.get(session, ScopedKey.create(key));
}
@Override
protected void clear()
{
cache.clearCache();
}
}