1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (c) 2013, 2021 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021 IBM Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Guy Pelletier - initial API and implementation
package org.eclipse.persistence.jpa.config;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.EntityManagerFactory;
import org.eclipse.persistence.config.PersistenceUnitProperties;
import org.eclipse.persistence.exceptions.PersistenceUnitLoadingException;
import org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl;
import org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider;
import org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl;
import org.eclipse.persistence.internal.jpa.config.persistenceunit.MetadataSource;
import org.eclipse.persistence.internal.jpa.deployment.JPAInitializer;
import org.eclipse.persistence.internal.jpa.deployment.SEPersistenceUnitInfo;
import org.eclipse.persistence.jpa.PersistenceProvider;
// TODO: JPA RS
//import org.eclipse.persistence.jpa.rs.PersistenceContextFactory;
//import org.eclipse.persistence.jpa.rs.PersistenceContextFactoryProvider;
//import org.eclipse.persistence.jpa.rs.PersistenceFactoryBase;
import org.eclipse.persistence.sessions.factories.SessionManager;
/**
* JPA scripting API implementation.
*
* @author Guy Pelletier
* @since EclipseLink 2.5.1
*/
public class RuntimeFactory {
public EntityManagerFactory createEntityManagerFactory(PersistenceUnit pu) {
EntityManagerSetupImpl emSetupImpl = null;
boolean isNew = false;
// the name that uniquely defines persistence unit
String name = pu.getName();
pu.setProperty(PersistenceUnitProperties.METADATA_SOURCE, new MetadataSource(pu));
SEPersistenceUnitInfo puInfo = (SEPersistenceUnitInfo) pu.getPersistenceUnitInfo();
JPAInitializer initializer = new PersistenceProvider().getInitializer(name, null);
Map<String, Object> props = new HashMap<String, Object>();
String uniqueName = initializer.createUniquePersistenceUnitName(puInfo);
String sessionName = EntityManagerSetupImpl.getOrBuildSessionName(props, puInfo, uniqueName);
try {
synchronized (EntityManagerFactoryProvider.emSetupImpls) {
emSetupImpl = EntityManagerFactoryProvider.getEntityManagerSetupImpl(sessionName);
if (emSetupImpl != null) {
if (puInfo.getClassLoader() != emSetupImpl.getPersistenceUnitInfo().getClassLoader()) {
emSetupImpl.undeploy();
EntityManagerFactoryProvider.emSetupImpls.remove(sessionName);
SessionManager manager = SessionManager.getManager();
if (manager.getSessions().containsKey(sessionName)) {
manager.destroySession(sessionName);
}
manager.destroy();
emSetupImpl = null;
}
}
if (emSetupImpl == null) {
// there may be initial emSetupImpl cached in Initializer - remove it and use.
emSetupImpl = initializer.extractInitialEmSetupImpl(name);
if (emSetupImpl == null) {
// create and predeploy a new emSetupImpl
emSetupImpl = initializer.callPredeploy(puInfo, props, uniqueName, sessionName);
} else {
// change the name
emSetupImpl.changeSessionName(sessionName);
}
// emSetupImpl has been already predeployed, predeploy will just increment factoryCount.
emSetupImpl.predeploy(emSetupImpl.getPersistenceUnitInfo(), props);
EntityManagerFactoryProvider.addEntityManagerSetupImpl(sessionName, emSetupImpl);
isNew = true;
}
}
} catch (Exception e) {
throw PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources(initializer.getInitializationClassLoader(), e);
}
if (!isNew) {
if (!uniqueName.equals(emSetupImpl.getPersistenceUnitUniqueName())) {
throw PersistenceUnitLoadingException.sessionNameAlreadyInUse(sessionName, uniqueName, emSetupImpl.getPersistenceUnitUniqueName());
}
// synchronized to prevent undeploying by other threads.
boolean undeployed = false;
synchronized (emSetupImpl) {
if (emSetupImpl.isUndeployed()) {
undeployed = true;
}
// emSetupImpl has been already predeployed, predeploy will just increment factoryCount.
emSetupImpl.predeploy(emSetupImpl.getPersistenceUnitInfo(), props);
}
if (undeployed) {
// after the emSetupImpl has been obtained from emSetupImpls
// it has been undeployed by factory.close() in another thread -
// start all over again.
return createEntityManagerFactory(pu);
}
}
EntityManagerFactoryImpl factory = null;
try {
factory = new EntityManagerFactoryImpl(emSetupImpl, props);
// This code has been added to allow validation to occur without
// actually calling createEntityManager
if (emSetupImpl.shouldGetSessionOnCreateFactory(props)) {
factory.getDatabaseSession();
}
} catch (RuntimeException ex) {
if (factory != null) {
factory.close();
} else {
emSetupImpl.undeploy();
}
throw ex;
}
return factory;
}
public static RuntimeFactory getInstance() {
return new RuntimeFactory();
}
}
|
