1 /*
2 * Copyright 2006-2013 the original author or authors.
3 *
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
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16
17 package org.springframework.batch.item.database.orm;
18
19 import org.hibernate.Query;
20 import org.hibernate.Session;
21 import org.hibernate.StatelessSession;
22
23 /**
24 * <p>Abstract Hibernate Query Provider to serve as a base class for all
25 * Hibernate {@link Query} providers.</p>
26 *
27 * <p>The implementing provider can be configured to use either
28 * {@link StatelessSession} sufficient for simple mappings without the need
29 * to cascade to associated objects or standard Hibernate {@link Session}
30 * for more advanced mappings or when caching is desired.</p>
31 *
32 * @author Anatoly Polinsky
33 * @author Dave Syer
34 *
35 * @since 2.1
36 *
37 */
38 public abstract class AbstractHibernateQueryProvider implements HibernateQueryProvider {
39
40 private StatelessSession statelessSession;
41 private Session statefulSession;
42
43 @Override
44 public void setStatelessSession(StatelessSession statelessSession) {
45 this.statelessSession = statelessSession;
46 }
47
48 @Override
49 public void setSession(Session statefulSession) {
50 this.statefulSession = statefulSession;
51 }
52
53 public boolean isStatelessSession() {
54 return this.statefulSession==null && this.statelessSession!=null;
55 }
56
57 protected StatelessSession getStatelessSession() {
58 return statelessSession;
59 }
60
61 protected Session getStatefulSession() {
62 return statefulSession;
63 }
64 }