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
|
/*
* Copyright (c) 2012, 2018 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018 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:
// tware - initial implemenation
// 06/24/2014 - 438105 - 2.6.0 - Rick Curtis - Fix bug in EntityListenerInjectionManagerImpl constructor.
// 07/01/2014-2.5.2 Rick Curtis
// - 438663: Fix injection ordering bug.
package org.eclipse.persistence.internal.sessions.cdi;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.logging.SessionLog;
/**
* Manages calls to CDI to inject into managed beans
* This class will be created reflectively to avoid dependencies on CDI classes in environments
* that do not support CDI
*/
public class InjectionManagerImpl<T> implements InjectionManager<T> {
protected BeanManager beanManager = null;
protected CreationalContext<T> creationalContext = null;
protected final Map<T, InjectionTarget<T>> injectionTargets = new HashMap<>();
public InjectionManagerImpl(Object beanManagerInstance) throws NamingException {
if (beanManagerInstance == null) {
Context context = new InitialContext();
try {
beanManagerInstance = context.lookup("java:comp/BeanManager");
} catch(NamingException e) {
beanManagerInstance = context.lookup("java:comp/env/BeanManager");
}
}
beanManager = (BeanManager) beanManagerInstance;
}
/**
* Creates an instance of the CDI managed bean.
* Calls CDI API to inject into the bean.
* @param managedBeanClass bean class to be instantiated.
* @return New instance of bean class with injected content.
*/
public T createManagedBeanAndInjectDependencies(final Class<T> managedBeanClass) throws NamingException{
final AnnotatedType<T> aType = beanManager.createAnnotatedType(managedBeanClass);
final InjectionTarget<T> injectionTarget = beanManager.createInjectionTarget(aType);
creationalContext = beanManager.createCreationalContext(null);
final T beanInstance = injectionTarget.produce(creationalContext);
synchronized (injectionTargets) {
injectionTargets.put(beanInstance, injectionTarget);
}
injectionTarget.inject(beanInstance, creationalContext);
injectionTarget.postConstruct(beanInstance);
return beanInstance;
}
public void cleanUp(AbstractSession session){
Set<T> keys = new HashSet<>();
synchronized(injectionTargets){
keys.addAll(injectionTargets.keySet());
for (T listener: keys){
try{
InjectionTarget<T> target = injectionTargets.get(listener);
target.preDestroy(listener);
target.dispose(listener);
injectionTargets.remove(listener);
} catch (Exception e){
session.logThrowable(SessionLog.FINEST, SessionLog.JPA, e);
}
}
}
if (creationalContext != null){
creationalContext.release();
}
}
}
|
