01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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.compass.gps.device.jpa;
18:
19: import javax.persistence.PersistenceException;
20:
21: /**
22: * A JTA only {@link EntityManagerWrapper}. Works only with JPA code that exists within
23: * a JTA transaction.
24: *
25: * @author kimchy
26: */
27: public class JtaEntityManagerWrapper extends
28: AbstractEntityManagerWrapper {
29:
30: @Override
31: protected void beginTransaction() throws PersistenceException {
32: entityManager.joinTransaction();
33: }
34:
35: @Override
36: protected void commitTransaction() throws PersistenceException {
37: }
38:
39: @Override
40: protected void rollbackTransaction() throws PersistenceException {
41: }
42:
43: @Override
44: protected boolean shouldCloseEntityManager() {
45: return false;
46: }
47: }
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