1 /**
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one or more
4 * contributor license agreements. See the NOTICE file distributed with
5 * this work for additional information regarding copyright ownership.
6 * The ASF licenses this file to You under the Apache License, Version 2.0
7 * (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.geronimo.naming.reference;
20
21 import java.util.Map;
22
23 import javax.naming.NameNotFoundException;
24
25 import org.apache.geronimo.kernel.repository.Artifact;
26 import org.apache.geronimo.kernel.Kernel;
27 import org.apache.geronimo.kernel.GBeanNotFoundException;
28 import org.apache.geronimo.gbean.AbstractNameQuery;
29 import org.apache.geronimo.gbean.AbstractName;
30
31 /**
32 * @version $Rev: 470597 $ $Date: 2006-11-02 15:30:55 -0800 (Thu, 02 Nov 2006) $
33 */
34 public class PersistenceContextReference extends ConfigurationAwareReference {
35
36 private boolean transactionScoped;
37 private Map properties;
38
39 public PersistenceContextReference(Artifact configId, AbstractNameQuery abstractNameQuery, boolean transactionScoped, Map properties) {
40 super(configId, abstractNameQuery);
41 this.transactionScoped = transactionScoped;
42 this.properties = properties;
43 }
44
45 public String getClassName() {
46 return "javax.persistence.EntityManager";
47 }
48
49 public Object getContent() throws NameNotFoundException {
50 Kernel kernel = getKernel();
51
52 AbstractName target;
53 try {
54 target = resolveTargetName();
55 } catch (GBeanNotFoundException e) {
56 throw (NameNotFoundException) new NameNotFoundException("Could not resolve name query: " + abstractNameQueries).initCause(e);
57 }
58
59 Object entityManager;
60 try {
61 entityManager = kernel.invoke(target, "getEntityManager", new Object[] {Boolean.valueOf(transactionScoped), properties}, new String[] {boolean.class.getName(), Map.class.getName()});
62 } catch (Exception e) {
63 throw (IllegalStateException) new IllegalStateException("Could not get entityManager").initCause(e);
64 }
65 if (entityManager == null) {
66 throw new IllegalStateException("entity manager not returned. Target " + target + " not started");
67 }
68 return entityManager;
69 }
70 }