-
Notifications
You must be signed in to change notification settings - Fork 138
/
SingletonBean.java
81 lines (66 loc) · 1.99 KB
/
SingletonBean.java
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
/*
* Copyright (c) 2010, 2018 Oracle and/or its affiliates. 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.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.acme;
import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import jakarta.annotation.Resource;
import jakarta.ejb.EJBException;
import jakarta.ejb.Singleton;
import jakarta.ejb.Startup;
import jakarta.inject.Inject;
import org.omg.CORBA.ORB;
@Singleton
@Startup
public class SingletonBean {
@Resource
private ORB orb;
@Inject
Foo foo;
@Inject
TestBean tb;
@Inject
public SingletonBean(Bar b) {
this.b = b;
}
@PostConstruct
public void init() {
System.out.println("In SingletonBean::init()");
System.out.println("orb = " + orb);
if (orb == null) {
throw new EJBException("null ORB");
}
}
public String hello() {
System.out.println("In SingletonBean::hello()");
return "hello, world!\n";
}
public void testError() {
throw new Error("test java.lang.Error");
}
public String testInjection() {
if (foo == null)
return "foo is null";
if (tb == null)
return "tb is null";
if (!foo.testInjection())
return "testInjection in Foo failed";
return "";
}
@PreDestroy
public void destroy() {
System.out.println("In SingletonBean::destroy()");
}
}