jakarta.ejb.Singleton Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including
all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and
JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
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/*
* Copyright (c) 2006, 2020 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 jakarta.ejb;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.*;
/**
* Component-defining annotation for a singleton session bean.
*
* @since EJB 3.1
*/
@Target(TYPE)
@Retention(RUNTIME)
public @interface Singleton {
/**
* The ejb-name for this bean. Defaults to the unqualified name of the singleton session bean class.
*
* @return a {@link java.lang.String} object.
*/
String name() default "";
/**
* A product specific name(for example, global JNDI name) that this session bean should be mapped to.
*
* 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.
*
* @return a {@link java.lang.String} object.
*/
String mappedName() default "";
/**
* A string describing the singleton session bean.
*
* @return a {@link java.lang.String} object.
*/
String description() default "";
}