/**
* Abiquo community edition
* cloud management application for hybrid clouds
* Copyright (C) 2008-2010 - Abiquo Holdings S.L.
*
* This application 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 under
* version 3 of the License
*
* 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 v.3 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.abiquo.server.core.statistics;
import java.util.Arrays;
import java.util.Collection;
import javax.persistence.EntityManager;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Transformer;
import org.apache.commons.lang.StringUtils;
import org.hibernate.Criteria;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;
import com.abiquo.server.core.common.persistence.DefaultDAOBase;
import com.abiquo.server.core.enterprise.User;
@Repository("jpaVirtualDatacenterResourcesDAO")
public class VirtualDatacenterResourcesDAO extends
DefaultDAOBase<Integer, VirtualDatacenterResources>
{
public VirtualDatacenterResourcesDAO()
{
super(VirtualDatacenterResources.class);
}
public VirtualDatacenterResourcesDAO(EntityManager entityManager)
{
super(VirtualDatacenterResources.class, entityManager);
}
public Collection<VirtualDatacenterResources> findByIdEnterprise(Integer idEnterprise, User user)
{
Criteria criteria = createCriteria(sameIdEnterprise(idEnterprise));
criteria.addOrder(Order.asc(VirtualDatacenterResources.VDC_NAME_PROPERTY));
if (user != null && !StringUtils.isEmpty(user.getAvailableVirtualDatacenters()))
{
criteria.add(availableToUser(user));
}
return criteria.list();
}
public static Criterion sameIdEnterprise(Integer idEnterprise)
{
return Restrictions.eq(VirtualDatacenterResources.ID_ENTERPRISE_PROPERTY, idEnterprise);
}
private static Criterion availableToUser(User user)
{
Collection<String> idsStrings =
Arrays.asList(user.getAvailableVirtualDatacenters().split(","));
Collection<Integer> ids = CollectionUtils.collect(idsStrings, new Transformer()
{
@Override
public Object transform(Object input)
{
return Integer.valueOf(input.toString());
}
});
return Restrictions.in(VirtualDatacenterResources.ID_PROPERTY, ids);
}
}