All Downloads are FREE. Search and download functionalities are using the official Maven repository.

javax.activation.PostConstruct Maven / Gradle / Ivy

The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2005-2018 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.activation;

import java.lang.annotation.*;
import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;

/**
 * The PostConstruct annotation is used on a method that 
 * needs to be executed after dependency injection is done to perform 
 * any initialization. This  method must be invoked before the class 
 * is put into service. This annotation must be supported on all classes 
 * that support dependency injection. The method annotated with 
 * PostConstruct must be invoked even if the class does 
 * not request any resources to be injected. Only one 
 * method in a given class can be annotated with this annotation. 
 * The method on which the PostConstruct annotation is 
 * applied must fulfill all of the following criteria:
 * 
    *
  • The method must not have any parameters except in the case of * interceptors in which case it takes an InvocationContext * object as defined by the Interceptors specification.
  • *
  • The method defined on an interceptor class or superclass of an * interceptor class must have one of the following signatures: *

    * void <METHOD>(InvocationContext) *

    * Object <METHOD>(InvocationContext) throws Exception *

    * Note: A PostConstruct interceptor method must not throw application * exceptions, but it may be declared to throw checked exceptions including * the java.lang.Exception if the same interceptor method interposes on * business or timeout methods in addition to lifecycle events. If a * PostConstruct interceptor method returns a value, it is ignored by * the container. *

  • *
  • The method defined on a non-interceptor class must have the * following signature: *

    * void <METHOD>() *

  • *
  • The method on which the PostConstruct annotation * is applied may be public, protected, package private or private.
  • *
  • The method must not be static except for the application client.
  • *
  • The method should not be final.
  • *
  • If the method throws an unchecked exception the class must not be put into * service except in the case where the exception is handled by an * interceptor.
* * @see javax.annotation.PreDestroy * @see javax.annotation.Resource * @since 1.6, Common Annotations 1.0 */ @Documented @Retention (RUNTIME) @Target(METHOD) public @interface PostConstruct { }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy