Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/javax/annotation/Resource.java

src/share/jaxws_classes/javax/annotation/Resource.java

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1 /*
2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.annotation;
27
28 import java.lang.annotation.*;
29 import static java.lang.annotation.ElementType.*;
30 import static java.lang.annotation.RetentionPolicy.*;
31
32 /**
33 * The Resource annotation marks a resource that is needed
34 * by the application. This annotation may be applied to an
35 * application component class, or to fields or methods of the
36 * component class. When the annotation is applied to a
37 * field or method, the container will inject an instance
38 * of the requested resource into the application component
39 * when the component is initialized. If the annotation is
40 * applied to the component class, the annotation declares a
41 * resource that the application will look up at runtime. <p>
42 *
43 * Even though this annotation is not marked Inherited, deployment
44 * tools are required to examine all superclasses of any component
45 * class to discover all uses of this annotation in all superclasses.
46 * All such annotation instances specify resources that are needed
47 * by the application component. Note that this annotation may
48 * appear on private fields and methods of superclasses; the container
49 * is required to perform injection in these cases as well.
50 *
51 * @since Common Annotations 1.0
52 */
53 @Target({TYPE, FIELD, METHOD})
54 @Retention(RUNTIME)
55 public @interface Resource {
56 /**
57 * The JNDI name of the resource. For field annotations,
58 * the default is the field name. For method annotations,
59 * the default is the JavaBeans property name corresponding
60 * to the method. For class annotations, there is no default
61 * and this must be specified.
62 */
63 String name() default "";
64
65 /**
66 * The name of the resource that the reference points to. It can
67 * link to any compatible resource using the global JNDI names.
68 *
69 * @since Common Annotations 1.1
70 */
71
72 String lookup() default "";
73
74 /**
75 * The Java type of the resource. For field annotations,
76 * the default is the type of the field. For method annotations,
77 * the default is the type of the JavaBeans property.
78 * For class annotations, there is no default and this must be
79 * specified.
80 */
81 Class type() default java.lang.Object.class;
82
83 /**
84 * The two possible authentication types for a resource.
85 */
86 enum AuthenticationType {
87 CONTAINER,
88 APPLICATION
89 }
90
91 /**
92 * The authentication type to use for this resource.
93 * This may be specified for resources representing a
94 * connection factory of any supported type, and must
95 * not be specified for resources of other types.
96 */
97 AuthenticationType authenticationType() default AuthenticationType.CONTAINER;
98
99 /**
100 * Indicates whether this resource can be shared between
101 * this component and other components.
102 * This may be specified for resources representing a
103 * connection factory of any supported type, and must
104 * not be specified for resources of other types.
105 */
106 boolean shareable() default true;
107
108 /**
109 * A product specific name that this resource should be mapped to.
110 * The name of this resource, as defined by the <code>name</code>
111 * element or defaulted, is a name that is local to the application
112 * component using the resource. (It's a name in the JNDI
113 * <code>java:comp/env</code> namespace.) Many application servers
114 * provide a way to map these local names to names of resources
115 * known to the application server. This mapped name is often a
116 * <i>global</i> JNDI name, but may be a name of any form. <p>
117 *
118 * Application servers are not required to support any particular
119 * form or type of mapped name, nor the ability to use mapped names.
120 * The mapped name is product-dependent and often installation-dependent.
121 * No use of a mapped name is portable.
122 */
123 String mappedName() default "";
124
125 /**
126 * Description of this resource. The description is expected
127 * to be in the default language of the system on which the
128 * application is deployed. The description can be presented
129 * to the Deployer to help in choosing the correct resource.
130 */
131 String description() default "";
132 }

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