/*
* Copyright (C) 2010 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.pom.config.cache;
import org.exoplatform.commons.utils.LazyPageList;
import org.exoplatform.commons.utils.ListAccessImpl;
import org.exoplatform.portal.pom.config.POMSession;
import org.exoplatform.portal.pom.config.POMTask;
import org.exoplatform.portal.pom.config.TaskExecutionDecorator;
import org.exoplatform.portal.pom.config.TaskExecutor;
import org.exoplatform.portal.pom.config.tasks.PortalConfigTask;
import org.exoplatform.portal.pom.config.tasks.SearchTask;
import org.exoplatform.portal.pom.data.PortalKey;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class PortalNamesCache extends TaskExecutionDecorator
{
public PortalNamesCache(TaskExecutor next)
{
super(next);
}
@Override
public <V> V execute(POMSession session, POMTask<V> task) throws Exception
{
if (!session.isModified())
{
if (task instanceof SearchTask.FindSiteKey)
{
List<PortalKey> data = (List<PortalKey>)session.getFromCache(SearchTask.FindSiteKey.class);
if (data == null)
{
V result = super.execute(session, task);
LazyPageList<PortalKey> list = (LazyPageList<PortalKey>)result;
session.putInCache(SearchTask.FindSiteKey.class, Collections.unmodifiableList(new ArrayList<PortalKey>(list.getAll())));
return result;
}
else
{
return (V)new LazyPageList<PortalKey>(new ListAccessImpl<PortalKey>(PortalKey.class, data), 10);
}
}
else if (task instanceof PortalConfigTask.Save || task instanceof PortalConfigTask.Remove)
{
V result = super.execute(session, task);
session.scheduleForEviction(SearchTask.FindSiteKey.class);
return result;
}
}
//
return super.execute(session, task);
}
}