Java tutorial
/** * Copyright 2014 Telefonica Investigacin y Desarrollo, S.A.U <br> * This file is part of FI-WARE project. * <p> * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with * the License. * </p> * <p> * You may obtain a copy of the License at:<br> * <br> * http://www.apache.org/licenses/LICENSE-2.0 * </p> * <p> * 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. * </p> * <p> * See the License for the specific language governing permissions and limitations under the License. * </p> * <p> * For those usages not covered by the Apache version 2.0 License please contact with opensource@tid.es * </p> */ package com.telefonica.euro_iaas.paasmanager.dao.impl; import java.util.List; import javax.persistence.NoResultException; import javax.persistence.Query; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import com.telefonica.fiware.commons.dao.AbstractBaseDao; import com.telefonica.fiware.commons.dao.EntityNotFoundException; import com.telefonica.fiware.commons.dao.InvalidEntityException; import com.telefonica.euro_iaas.paasmanager.dao.SecurityGroupDao; import com.telefonica.euro_iaas.paasmanager.model.SecurityGroup; /** * @author Henar */ @Transactional(propagation = Propagation.REQUIRED) public class SecurityGroupDaoJpaImpl extends AbstractBaseDao<SecurityGroup, String> implements SecurityGroupDao { /* * (non-Javadoc) * @see com.telefonica.euro_iaas.commons.dao.BaseDAO#findAll() */ public List<SecurityGroup> findAll() { // TODO Auto-generated method stub return super.findAll(SecurityGroup.class); } /* * (non-Javadoc) * @see com.telefonica.euro_iaas.commons.dao.BaseDAO#load(java.io.Serializable) */ public SecurityGroup load(String arg0) throws EntityNotFoundException { return super.loadByField(SecurityGroup.class, "name", arg0); } public SecurityGroup loadWithRules(String name) throws EntityNotFoundException { Query query = getEntityManager() .createQuery("select p from SecurityGroup p left join " + " fetch p.rules where p.name = :name"); query.setParameter("name", name); SecurityGroup securityGroup = null; try { securityGroup = (SecurityGroup) query.getResultList().get(0); } catch (Exception e) { String message = " No SecurityGroup found in the database with name: " + name + " Exception: " + e.getMessage(); throw new EntityNotFoundException(SecurityGroup.class, "name", name); } return securityGroup; } public SecurityGroup updateSecurityGroupId(String idSecurityGroup, SecurityGroup securityGroup) throws InvalidEntityException { Query query = getEntityManager().createQuery("UPDATE SecurityGroup sg " + "SET sg.idSecurityGroup= :idSecurityGroup" + " where sg.name = :name"); query.setParameter("idSecurityGroup", idSecurityGroup); query.setParameter("name", securityGroup.getName()); SecurityGroup secGroup = null; try { query.executeUpdate(); secGroup = load(securityGroup.getName()); } catch (NoResultException e) { throw new InvalidEntityException(securityGroup); } catch (EntityNotFoundException e) { throw new InvalidEntityException(securityGroup); } return secGroup; } }