jakarta.ejb.Singleton Maven / Gradle / Ivy
/*
* 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 "";
}