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  /*
   * The contents of this file are subject to the terms 
   * of the Common Development and Distribution License 
   * (the "License").  You may not use this file except 
   * in compliance with the License.
   * 
   * You can obtain a copy of the license at 
   * glassfish/bootstrap/legal/CDDLv1.0.txt or 
   * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
  * See the License for the specific language governing 
  * permissions and limitations under the License.
  * 
  * When distributing Covered Code, include this CDDL 
  * HEADER in each file and include the License file at 
  * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
  * add the following below this CDDL HEADER, with the 
  * fields enclosed by brackets "[]" replaced with your 
  * own identifying information: Portions Copyright [yyyy] 
  * [name of copyright owner]
  */
 
 /*
  *
  * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
  */
 
 
 package javax.annotation;
 
 import static java.lang.annotation.ElementType.*;
 import static java.lang.annotation.RetentionPolicy.*;

The Resource annotation marks a resource that is needed by the application. This annotation may be applied to an application component class, or to fields or methods of the component class. When the annotation is applied to a field or method, the container will inject an instance of the requested resource into the application component when the component is initialized. If the annotation is applied to the component class, the annotation declares a resource that the application will look up at runtime.

Even though this annotation is not marked Inherited, deployment tools are required to examine all superclasses of any component class to discover all uses of this annotation in all superclasses. All such annotation instances specify resources that are needed by the application component. Note that this annotation may appear on private fields and methods of superclasses; the container is required to perform injection in these cases as well.

Since:
Common Annotations 1.0
 
 public @interface Resource {
    
The JNDI name of the resource. For field annotations, the default is the field name. For method annotations, the default is the JavaBeans property name corresponding to the method. For class annotations, there is no default and this must be specified.
 
     String name() default "";

    
The name of the resource that the reference points to. It can link to any compatible resource using the global JNDI names.
 
 
     String lookup() default "";

    
The Java type of the resource. For field annotations, the default is the type of the field. For method annotations, the default is the type of the JavaBeans property. For class annotations, there is no default and this must be specified.
 
     Class<?> type() default java.lang.Object.class;

    
The two possible authentication types for a resource.
 
     enum AuthenticationType {
 	    CONTAINER,
 	    APPLICATION
     }

    
The authentication type to use for this resource. This may be specified for resources representing a connection factory of any supported type, and must not be specified for resources of other types.
 
Indicates whether this resource can be shared between this component and other components. This may be specified for resources representing a connection factory of any supported type, and must not be specified for resources of other types.
    boolean shareable() default true;

    
A product specific name that this resource should be mapped to. The name of this resource, as defined by the name element or defaulted, is a name that is local to the application component using the resource. (It's a name in the JNDI java:comp/env namespace.) Many application servers provide a way to map these local names to names of resources known to the application server. This mapped name is often a global JNDI name, but may be a name of any form.

Application servers are not required to support any particular form or type of mapped name, nor the ability to use mapped names. The mapped name is product-dependent and often installation-dependent. No use of a mapped name is portable.

    String mappedName() default "";

    
Description of this resource. The description is expected to be in the default language of the system on which the application is deployed. The description can be presented to the Deployer to help in choosing the correct resource.
    String description() default "";
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