2 * Copyright 2006 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.wamblee.mythtv;
19 import java.sql.SQLException;
20 import java.util.HashMap;
21 import java.util.List;
24 import javax.persistence.EntityManager;
25 import javax.persistence.Query;
27 import org.apache.commons.logging.Log;
28 import org.apache.commons.logging.LogFactory;
29 import org.hibernate.HibernateException;
30 import org.hibernate.Session;
31 import org.hibernate.criterion.Expression;
32 import org.springframework.orm.hibernate3.HibernateCallback;
33 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
34 import org.springframework.orm.jpa.JpaTemplate;
35 import org.springframework.orm.jpa.support.JpaDaoSupport;
40 public class RecordingDatabase extends JpaDaoSupport {
42 private static final Log LOG = LogFactory.getLog(RecordingDatabase.class);
44 public RecordingDatabase() {
50 for (Recording recording: (List<Recording>)getHibernateTemplate().loadAll(Recording.class) ) {
51 LOG.info("Found recording " + recording);
53 LOG.info("After listing recordings");
57 public Recording findRecording(final String aName) {
58 JpaTemplate jpaTemplate = getJpaTemplate();
59 EntityManager entityManager = jpaTemplate.getEntityManager();
60 Query query = entityManager.createQuery(
61 "select r from Recording r where r.basename = ?1");
62 query.setParameter(1, aName);
63 List<Recording> result = query.getResultList();
64 if ( result.size() > 1 ) {
65 throw new RuntimeException("More than two recordings returned");
67 if ( result.size() == 0 ) {
73 public void update(Recording aRecording) {
74 // Update is not required since the whole task of updating the
75 // directory structure occurs within a single transaction.
76 // Therefore, modifications to recordings are automatically persisted.