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This module contains the Metro runtime code.
There is a newer version: 4.0.4
/* 
 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *  
 *  Copyright (c) 2007-2010 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://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 *  or packager/legal/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 glassfish/bootstrap/legal/LICENSE.txt.
 *  
 *  GPL Classpath Exception:
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 *  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:
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 *  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
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 *  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
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 */ 
package org.glassfish.gmbal ;

import java.lang.annotation.Documented ;
import java.lang.annotation.Target ;
import java.lang.annotation.ElementType ;
import java.lang.annotation.Retention ;
import java.lang.annotation.RetentionPolicy ;

/** This annotation is applied to a method that takes no arguments and returns a value
 * that is converted into a String for use in the ObjectName when an instance of the enclosing
 * class is used to construct an open MBean.
 */
@Documented 
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface Description {
    /** The description to be applied to the annotated element.
     * This value must not be empty.  It can either be the actual string that is inserted
     * into the MBean info class, or a key into a resource bundle associated with the 
     * ManagedObjectManager.  If there is no bundle value associated with the key, or no
     * resource bundle is specified, the value is used directly in the MBean info class.
     */
    String value() ;

    /** Optional key to use in a resource bundle for this description. If present,
     * a gmbal tool will generate a resource bundle that contains key=value taken
     * from the description annotation.
     * 
     * If this key is not present, the default key is given by the class name, 
     * if this annotation appears on a class, or the class name.method name if 
     * this annotation appears on a method.  It is an error to use the default
     * value for more than one method of the same name, except for setters and getters.
     * 
     */
    String key() default "" ;
}