/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.osgitest;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import org.hibernate.envers.AuditReader;
import org.hibernate.envers.AuditReaderFactory;
import org.hibernate.envers.DefaultRevisionEntity;
import org.hibernate.osgitest.entity.DataPoint;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
/**
* @author Brett Meyer
*/
public class DataPointServiceImpl implements DataPointService {
private HibernateUtil hibernateUtil = new HibernateUtil();
public void add(DataPoint dp) {
Session s = hibernateUtil.getSession();
s.getTransaction().begin();
s.persist( dp );
s.getTransaction().commit();
s.close();
}
public void update(DataPoint dp) {
Session s = hibernateUtil.getSession();
s.getTransaction().begin();
s.update( dp );
s.getTransaction().commit();
s.close();
}
public DataPoint get(long id) {
Session s = hibernateUtil.getSession();
s.getTransaction().begin();
DataPoint dp = (DataPoint) s.createCriteria( DataPoint.class ).add(
Restrictions.eq( "id", id ) ).uniqueResult();
s.getTransaction().commit();
s.close();
return dp;
}
// Test lazy loading (mainly to make sure the proxy classes work in OSGi)
public DataPoint load(long id) {
Session s = hibernateUtil.getSession();
s.getTransaction().begin();
DataPoint dp = (DataPoint) s.load( DataPoint.class, new Long(id) );
// initialize
dp.getName();
s.getTransaction().commit();
s.close();
return dp;
}
public List<DataPoint> getAll() {
Session s = hibernateUtil.getSession();
s.getTransaction().begin();
List list = s.createQuery( "from DataPoint" ).list();
s.getTransaction().commit();
s.close();
return list;
}
public Map<Number, DefaultRevisionEntity> getRevisions(long id) {
Session s = hibernateUtil.getSession();
AuditReader reader = AuditReaderFactory.get(s);
List<Number> revisionNums = reader.getRevisions( DataPoint.class, id );
return reader.findRevisions( DefaultRevisionEntity.class, new HashSet<Number>(revisionNums) );
}
public void deleteAll() {
Session s = hibernateUtil.getSession();
s.getTransaction().begin();
s.createQuery( "delete from DataPoint" ).executeUpdate();
s.getTransaction().commit();
s.close();
}
}