/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.eperson.dao.impl;
import org.dspace.core.Context;
import org.dspace.core.AbstractHibernateDAO;
import org.dspace.eperson.Group;
import org.dspace.eperson.Group2GroupCache;
import org.dspace.eperson.dao.Group2GroupCacheDAO;
import org.hibernate.Criteria;
import org.hibernate.criterion.Disjunction;
import org.hibernate.criterion.Restrictions;
import java.sql.SQLException;
import java.util.List;
import java.util.Set;
/**
* Hibernate implementation of the Database Access Object interface class for the Group2GroupCache object.
* This class is responsible for all database calls for the Group2GroupCache object and is autowired by spring
* This class should never be accessed directly.
*
* @author kevinvandevelde at atmire.com
*/
public class Group2GroupCacheDAOImpl extends AbstractHibernateDAO<Group2GroupCache> implements Group2GroupCacheDAO
{
protected Group2GroupCacheDAOImpl()
{
super();
}
@Override
public List<Group2GroupCache> findByParent(Context context, Group group) throws SQLException {
Criteria criteria = createCriteria(context, Group2GroupCache.class);
criteria.add(Restrictions.eq("parent.id", group.getID()));
criteria.setCacheable(true);
return list(criteria);
}
@Override
public List<Group2GroupCache> findByChildren(Context context, Set<Group> groups) throws SQLException {
Criteria criteria = createCriteria(context, Group2GroupCache.class);
Disjunction orDisjunction = Restrictions.or();
for(Group group : groups)
{
orDisjunction.add(Restrictions.eq("child.id", group.getID()));
}
criteria.add(orDisjunction);
criteria.setCacheable(true);
return list(criteria);
}
@Override
public Group2GroupCache find(Context context, Group parent, Group child) throws SQLException {
Criteria criteria = createCriteria(context, Group2GroupCache.class);
criteria.add(Restrictions.eq("parent.id", parent.getID()));
criteria.add(Restrictions.eq("child.id", child.getID()));
criteria.setCacheable(true);
return uniqueResult(criteria);
}
@Override
public void deleteAll(Context context) throws SQLException {
createQuery(context, "delete from Group2GroupCache").executeUpdate();
}
}