| 1 | /* |
| 2 | * Copyright 2006-2008 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 | public void setStatelessSession(StatelessSession statelessSession) { |
| 44 | this.statelessSession = statelessSession; |
| 45 | } |
| 46 | |
| 47 | public void setSession(Session statefulSession) { |
| 48 | this.statefulSession = statefulSession; |
| 49 | } |
| 50 | |
| 51 | public boolean isStatelessSession() { |
| 52 | return this.statefulSession==null && this.statelessSession!=null; |
| 53 | } |
| 54 | |
| 55 | protected StatelessSession getStatelessSession() { |
| 56 | return statelessSession; |
| 57 | } |
| 58 | |
| 59 | protected Session getStatefulSession() { |
| 60 | return statefulSession; |
| 61 | } |
| 62 | } |