/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/rwiki/trunk/rwiki-impl/impl/src/java/uk/ac/cam/caret/sakai/rwiki/component/dao/impl/RWikiCurrentObjectContentDaoImpl.java $
* $Id: RWikiCurrentObjectContentDaoImpl.java 9108 2006-05-08 14:30:57Z ian@caret.cam.ac.uk $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
*
* Licensed under the Educational Community License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ecl1.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package uk.ac.cam.caret.sakai.rwiki.component.dao.impl;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Expression;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import uk.ac.cam.caret.sakai.rwiki.model.RWikiCurrentObjectContentImpl;
import uk.ac.cam.caret.sakai.rwiki.service.api.dao.RWikiObjectContentDao;
import uk.ac.cam.caret.sakai.rwiki.service.api.model.RWikiCurrentObjectContent;
import uk.ac.cam.caret.sakai.rwiki.service.api.model.RWikiObject;
import uk.ac.cam.caret.sakai.rwiki.service.api.model.RWikiObjectContent;
import uk.ac.cam.caret.sakai.rwiki.utils.TimeLogger;
// FIXME: Component
public class RWikiCurrentObjectContentDaoImpl extends HibernateDaoSupport
implements RWikiObjectContentDao
{
private static Log log = LogFactory
.getLog(RWikiCurrentObjectContentDaoImpl.class);
public RWikiObjectContent getContentObject(final RWikiObject parent)
{
long start = System.currentTimeMillis();
try
{
HibernateCallback callback = new HibernateCallback()
{
public Object doInHibernate(Session session)
throws HibernateException
{
return session.createCriteria(
RWikiCurrentObjectContent.class).add(
Expression.eq("rwikiid", parent.getId())).list();
}
};
List found = (List) getHibernateTemplate().execute(callback);
if (found.size() == 0)
{
if (log.isDebugEnabled())
{
log.debug("Found " + found.size() + " objects with id "
+ parent.getId());
}
return null;
}
if (log.isDebugEnabled())
{
log.debug("Found " + found.size() + " objects with name "
+ parent.getId() + " returning most recent one.");
}
return (RWikiObjectContent) found.get(0);
}
finally
{
long finish = System.currentTimeMillis();
TimeLogger.printTimer(
"RWikiCurrentObjectContentDaoImpl.getContentObject: "
+ parent.getId(), start, finish);
}
}
public RWikiObjectContent createContentObject(RWikiObject parent)
{
RWikiCurrentObjectContent rwco = new RWikiCurrentObjectContentImpl();
rwco.setRwikiid(parent.getId());
return rwco;
}
public void update(RWikiObjectContent content)
{
RWikiCurrentObjectContentImpl impl = (RWikiCurrentObjectContentImpl) content;
getHibernateTemplate().saveOrUpdate(impl);
}
}