2 * Hibernate, Relational Persistence for Idiomatic Java
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5 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
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15 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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21 package org.hibernate.osgitest;
23 import java.util.HashSet;
24 import java.util.List;
27 import org.hibernate.Hibernate;
28 import org.hibernate.Session;
29 import org.hibernate.criterion.Restrictions;
30 import org.hibernate.envers.AuditReader;
31 import org.hibernate.envers.AuditReaderFactory;
32 import org.hibernate.envers.DefaultRevisionEntity;
33 import org.hibernate.osgitest.entity.DataPoint;
38 public class DataPointServiceImpl implements DataPointService {
40 private HibernateUtil hibernateUtil = new HibernateUtil();
42 public void add(DataPoint dp) {
43 Session s = hibernateUtil.getSession();
44 s.getTransaction().begin();
46 s.getTransaction().commit();
50 public void update(DataPoint dp) {
51 Session s = hibernateUtil.getSession();
52 s.getTransaction().begin();
54 s.getTransaction().commit();
58 public DataPoint get(long id) {
59 Session s = hibernateUtil.getSession();
60 s.getTransaction().begin();
61 DataPoint dp = (DataPoint) s.createCriteria( DataPoint.class ).add(
62 Restrictions.eq( "id", id ) ).uniqueResult();
63 s.getTransaction().commit();
68 // Test lazy loading (mainly to make sure the proxy classes work in OSGi)
69 public DataPoint load(long id) {
70 Session s = hibernateUtil.getSession();
71 s.getTransaction().begin();
72 DataPoint dp = (DataPoint) s.load( DataPoint.class, new Long(id) );
75 s.getTransaction().commit();
80 public List<DataPoint> getAll() {
81 Session s = hibernateUtil.getSession();
82 s.getTransaction().begin();
83 List list = s.createQuery( "from DataPoint" ).list();
84 s.getTransaction().commit();
89 public Map<Number, DefaultRevisionEntity> getRevisions(long id) {
90 Session s = hibernateUtil.getSession();
91 AuditReader reader = AuditReaderFactory.get(s);
92 List<Number> revisionNums = reader.getRevisions( DataPoint.class, id );
93 return reader.findRevisions( DefaultRevisionEntity.class, new HashSet<Number>(revisionNums) );
96 public void deleteAll() {
97 Session s = hibernateUtil.getSession();
98 s.getTransaction().begin();
99 s.createQuery( "delete from DataPoint" ).executeUpdate();
100 s.getTransaction().commit();