2 * Hibernate, Relational Persistence for Idiomatic Java
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5 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
6 * as indicated by the @authors tag. All rights reserved.
7 * See the copyright.txt in the distribution for a
8 * full listing of individual contributors.
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13 * This program is distributed in the hope that it will be useful, but WITHOUT A
14 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
15 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License,
17 * v.2.1 along with this distribution; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21 package org.hibernate.osgitest;
23 import java.util.List;
25 import javax.persistence.EntityManager;
27 import org.hibernate.osgitest.entity.DataPoint;
32 public class DataPointServiceImpl implements DataPointService {
34 private HibernateUtil hibernateUtil = new HibernateUtil();
36 public void add(DataPoint dp) {
37 EntityManager em = hibernateUtil.getEntityManager();
38 em.getTransaction().begin();
40 em.getTransaction().commit();
44 public void update(DataPoint dp) {
45 EntityManager em = hibernateUtil.getEntityManager();
46 em.getTransaction().begin();
48 em.getTransaction().commit();
52 public DataPoint get(long id) {
53 EntityManager em = hibernateUtil.getEntityManager();
54 em.getTransaction().begin();
55 DataPoint dp = (DataPoint) em.createQuery( "from DataPoint dp where dp.id=" + id ).getSingleResult();
56 em.getTransaction().commit();
61 public List<DataPoint> getAll() {
62 EntityManager em = hibernateUtil.getEntityManager();
63 em.getTransaction().begin();
64 List list = em.createQuery( "from DataPoint" ).getResultList();
65 em.getTransaction().commit();
70 public void deleteAll() {
71 EntityManager em = hibernateUtil.getEntityManager();
72 em.getTransaction().begin();
73 em.createQuery( "delete from DataPoint" ).executeUpdate();
74 em.getTransaction().commit();