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EJB.java
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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package javax.ejb;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.*;
/**
* Indicates a dependency on the local, no-interface, or remote view of an Enterprise
* JavaBean.
* <p>
* Either the <code>beanName</code> or the <code>lookup</code> element can
* be used to resolve the EJB dependency to its target session bean component.
* It is an error to specify values for both <code>beanName</code> and
* <code>lookup</code>.
* <p>
* If no explicit linking information is provided and there is only one session
* bean within the same application that exposes the matching client view type,
* by default the EJB dependency resolves to that session bean.
*
* @since EJB 3.0
*/
@Target({TYPE, METHOD, FIELD})
@Retention(RUNTIME)
public @interface EJB {
/**
* The logical name of the ejb reference within the declaring component's
* (e.g., java:comp/env) environment.
*/
String name() default "";
/**
* A string describing the bean.
*/
String description() default "";
/**
* The <code>beanName</code> element references the value of the <code>name</code>
* element of the <code>Stateful</code> or <code>Stateless</code> annotation,
* whether defaulted or explicit. If the deployment descriptor was used to define
* the name of the bean, the <code>beanName</code> element references the
* <code>ejb-name</code> element of the bean definition.
* <p>
* The <code>beanName</code> element allows disambiguation if multiple session
* beans in the ejb-jar implement the same interface.
* <p>
* In order to reference a bean in another ejb-jar file in the same application,
* the <code>beanName</code> may be composed of a path name specifying the ejb-jar
* containing the referenced bean with the bean name of the target bean appended and
* separated from the path name by #. The path name is relative to the jar file
* containing the component that is referencing the target bean.
* <p>
* Only applicable if the target EJB is defined within the
* same application or stand-alone module as the declaring component.
*/
String beanName() default "";
/**
* The interface type of the Enterprise Java Bean to which this reference
* is mapped.
* <p>
* Holds one of the following types of the target EJB :
* <ul>
* <li> Local business interface
* <li> Bean class (for no-interface view)
* <li> Remote business interface
* <li> Local Home interface
* <li> Remote Home interface
* </ul>
*/
Class beanInterface() default Object.class;
/**
* The product specific name of the EJB component to which this
* ejb reference should be mapped. This mapped name is often a
* global JNDI name, but may be a name of any form.
* <p>
* 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 "";
/**
* A portable lookup string containing the JNDI name for the target EJB component.
*
* @since EJB 3.1
*/
String lookup() default "";
}