Java tutorial
/** * 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.abiserver.persistence.dao.networking.hibernate; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.Session; import com.abiquo.abiserver.business.hibernate.pojohb.networking.NetworkHB; import com.abiquo.abiserver.business.hibernate.pojohb.networking.VlanNetworkHB; import com.abiquo.abiserver.exception.PersistenceException; import com.abiquo.abiserver.persistence.dao.networking.NetworkDAO; import com.abiquo.abiserver.persistence.hibernate.HibernateDAO; import com.abiquo.abiserver.persistence.hibernate.HibernateDAOFactory; /** * Class that implements the extra DAO functions for the * {@link com.abiquo.abiserver.persistence.dao.networking.PrivateNetworkDAO} interface * * @author jdevesa@abiquo.com */ public class NetworkDAOHibernate extends HibernateDAO<NetworkHB, Integer> implements NetworkDAO { private static final String GET_VLAN_WITH_NAME_BY_NETWORK_ID = "GET_VLAN_WITH_NAME_BY_NETWORK_ID"; @Override public VlanNetworkHB findVlanWithName(Integer networkId, String vlanNetworkName) throws PersistenceException { VlanNetworkHB namedVLAN; try { Session session = HibernateDAOFactory.getSessionFactory().getCurrentSession(); Query query = session.getNamedQuery(GET_VLAN_WITH_NAME_BY_NETWORK_ID); query.setInteger("network_id", networkId); query.setString("vlan_network_name", vlanNetworkName); namedVLAN = (VlanNetworkHB) query.uniqueResult(); } catch (HibernateException e) { throw new PersistenceException(e.getMessage(), e); } return namedVLAN; } @Override public NetworkHB findByVirtualDatacenter(Integer vdcId) { Session session = HibernateDAOFactory.getSessionFactory().getCurrentSession(); return (NetworkHB) session.createQuery( "select vdc.network from com.abiquo.abiserver.business.hibernate.pojohb.virtualappliance.VirtualDataCenterHB vdc where vdc.idVirtualDataCenter = :id") .setParameter("id", vdcId).uniqueResult(); } }