| /* |
| * 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.hib; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.ode.store.ConfStoreConnection; |
| import org.apache.ode.store.DeploymentUnitDAO; |
| import org.apache.ode.store.ProcessConfDAO; |
| import org.hibernate.Criteria; |
| import org.hibernate.HibernateException; |
| import org.hibernate.LockMode; |
| import org.hibernate.Query; |
| import org.hibernate.Session; |
| |
| import javax.xml.namespace.QName; |
| import java.util.Collection; |
| import java.util.Date; |
| |
| /** |
| * Connection to a Hibernate data store. Essentially a thin wrapper around Hibernate's |
| * {@link org.hibernate.Session} interface. |
| * @author mriou <mriou at apache dot org> |
| */ |
| public class ConfStoreConnectionHib implements ConfStoreConnection { |
| |
| private static final Log __log = LogFactory.getLog(ConfStoreConnectionHib.class); |
| private Session _session; |
| |
| static final ThreadLocal<Session> _current = new ThreadLocal<Session>(); |
| |
| public ConfStoreConnectionHib(Session session) { |
| _session = session; |
| _current.set(session); |
| } |
| |
| public ProcessConfDAO getProcess(QName pid) { |
| try { |
| return (ProcessConfDaoImpl) _session.get(ProcessConfDaoImpl.class,pid.toString()); |
| } catch (HibernateException e) { |
| __log.error("DbError", e); |
| throw e; |
| } |
| } |
| |
| |
| public DeploymentUnitDAO createDeploymentUnit(String name) { |
| DeploymentUnitDaoImpl du = new DeploymentUnitDaoImpl(); |
| du.setName(name); |
| du.setDeployDate(new Date()); |
| _session.save(du); |
| return du; |
| } |
| |
| public DeploymentUnitDAO getDeploymentUnit(String name) { |
| try { |
| DeploymentUnitDaoImpl du = (DeploymentUnitDaoImpl) _session.get(DeploymentUnitDaoImpl.class,name); |
| return du; |
| } catch (HibernateException e) { |
| __log.error("DbError", e); |
| throw e; |
| } |
| } |
| |
| public long getNextVersion() { |
| Query q = _session.createQuery("from VersionTrackerDAOImpl v "); |
| q.setLockMode("v", LockMode.UPGRADE); |
| VersionTrackerDAOImpl vt = (VersionTrackerDAOImpl) q.uniqueResult(); |
| if (vt == null) { |
| vt = new VersionTrackerDAOImpl(); |
| vt.setVersion(1); |
| }else { |
| vt.setVersion(vt.getVersion() + 1); |
| } |
| _session.save(vt); |
| return vt.getVersion(); |
| } |
| |
| public void setVersion(long version) { |
| _session.flush(); |
| |
| Query q = _session.createQuery("from VersionTrackerDAOImpl v "); |
| q.setLockMode("v", LockMode.UPGRADE); |
| VersionTrackerDAOImpl vt = (VersionTrackerDAOImpl) q.uniqueResult(); |
| if (vt == null) { |
| vt = new VersionTrackerDAOImpl(); |
| vt.setId(1); |
| vt.setVersion(1); |
| } else { |
| vt.setVersion(version); |
| } |
| _session.save(vt); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Collection<DeploymentUnitDAO> getDeploymentUnits() { |
| Criteria c = _session.createCriteria(DeploymentUnitDaoImpl.class); |
| return c.list(); |
| } |
| |
| public void close() { |
| _session.close(); |
| } |
| } |