| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.ode.store.jpa; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.ode.store.ConfStoreConnection; |
| import org.apache.ode.store.DeploymentUnitDAO; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.Query; |
| import java.util.Collection; |
| import java.util.Date; |
| import java.util.List; |
| |
| /** |
| * @author Matthieu Riou <mriou at apache dot org> |
| */ |
| public class ConfStoreConnectionJpa implements ConfStoreConnection { |
| private static Logger LOG = LoggerFactory.getLogger(ConfStoreConnectionJpa.class); |
| |
| private EntityManager _em; |
| static final ThreadLocal<EntityManager> _current = new ThreadLocal<EntityManager>(); |
| |
| |
| public ConfStoreConnectionJpa(EntityManager em) { |
| _em = em; |
| _current.set(em); |
| } |
| |
| public void close() { |
| } |
| |
| public DeploymentUnitDAO createDeploymentUnit(String name) { |
| DeploymentUnitDaoImpl du = new DeploymentUnitDaoImpl(); |
| du.setName(name); |
| du.setDeployDate(new Date()); |
| _em.persist(du); |
| return du; |
| } |
| |
| public DeploymentUnitDAO getDeploymentUnit(String name) { |
| return _em.find(DeploymentUnitDaoImpl.class, name); |
| } |
| |
| public Collection<DeploymentUnitDAO> getDeploymentUnits() { |
| return _em.createQuery("SELECT du from org.apache.ode.store.jpa.DeploymentUnitDaoImpl du").getResultList(); |
| } |
| |
| public long getNextVersion() { |
| VersionTrackerDAOImpl vt = null; |
| Query query = _em.createQuery("select v from VersionTrackerDAOImpl v"); |
| query.setHint("openjpa.FetchPlan.ReadLockMode", "WRITE"); |
| |
| List<VersionTrackerDAOImpl> res = query.getResultList(); |
| |
| if(!res.isEmpty()) |
| vt = res.get(0); |
| |
| if (vt == null) { |
| vt = new VersionTrackerDAOImpl(); |
| vt.setVersion(1); |
| } else { |
| vt.setVersion(vt.getVersion() + 1); |
| } |
| |
| _em.persist(vt); |
| return vt.getVersion(); |
| } |
| |
| public void setVersion(long version) { |
| VersionTrackerDAOImpl vt = null; |
| Query query = _em.createQuery("select v from VersionTrackerDAOImpl v"); |
| query.setHint("openjpa.FetchPlan.ReadLockMode", "WRITE"); |
| |
| List<VersionTrackerDAOImpl> res = query.getResultList(); |
| |
| if(!res.isEmpty()) |
| vt = res.get(0); |
| |
| if (vt == null) |
| vt = new VersionTrackerDAOImpl(); |
| |
| vt.setVersion(version); |
| _em.persist(vt); |
| } |
| } |