1 /*
2 * ModeShape (http://www.modeshape.org)
3 * See the COPYRIGHT.txt file distributed with this work for information
4 * regarding copyright ownership. Some portions may be licensed
5 * to Red Hat, Inc. under one or more contributor license agreements.
6 * See the AUTHORS.txt file in the distribution for a full listing of
7 * individual contributors.
8 *
9 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
10 * is licensed to you under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation; either version 2.1 of
12 * the License, or (at your option) any later version.
13 *
14 * ModeShape is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this software; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
23 */
24 package org.modeshape.connector.store.jpa.model.simple;
25
26 import javax.persistence.EntityTransaction;
27 import net.jcip.annotations.Immutable;
28 import org.modeshape.graph.connector.map.MapRepositoryTransaction;
29
30 /**
31 * A {@link MapRepositoryTransaction} that wraps an {@link EntityTransaction}.
32 */
33 @Immutable
34 public class SimpleJpaTransaction implements MapRepositoryTransaction {
35 private final EntityTransaction txn;
36
37 /**
38 * Create a transaction to wrap an {@link EntityTransaction}.
39 *
40 * @param txn the entity transaction, which may be null if there is none
41 */
42 SimpleJpaTransaction( EntityTransaction txn ) {
43 this.txn = txn;
44 }
45
46 /**
47 * {@inheritDoc}
48 *
49 * @see org.modeshape.graph.connector.map.MapRepositoryTransaction#commit()
50 */
51 public void commit() {
52 if (txn != null) txn.commit();
53 }
54
55 /**
56 * {@inheritDoc}
57 *
58 * @see org.modeshape.graph.connector.map.MapRepositoryTransaction#rollback()
59 */
60 public void rollback() {
61 if (txn != null) this.txn.rollback();
62 }
63
64 }