jdk8-mips64-public/jaxws: src/share/jaxws_classes/javax/annotation/PostConstruct.java@f50545b5e2f1

     1 /*

     2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package javax.annotation;

    28 import java.lang.annotation.*;

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

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

    32 /**

    33  * The PostConstruct annotation is used on a method that needs to be executed

    34  * after dependency injection is done to perform any initialization. This

    35  * method MUST be invoked before the class is put into service. This

    36  * annotation MUST be supported on all classes that support dependency

    37  * injection. The method annotated with PostConstruct MUST be invoked even

    38  * if the class does not request any resources to be injected. Only one

    39  * method can be annotated with this annotation. The method on which the

    40  * PostConstruct annotation is applied MUST fulfill all of the following

    41  * criteria -

    42 - The method MUST NOT have any parameters except in the case of EJB

    43  * interceptors   in which case it takes an InvocationC ontext object as

    44  * defined by the EJB   specification.

    45  * - The return type of the method MUST be void.

    46  * - The method MUST NOT throw a checked exception.

    47  * - The method on which PostConstruct is applied MAY be public, protected,

    48  * package private or private.

    49  * - The method MUST NOT be static except for the application client.

    50  * - The method MAY be final.

    51  * - If the method throws an unchecked exception the class MUST NOT be put into

    52  * service except in the case of EJBs where the EJB can handle exceptions and

    53  * even   recover from them.

    54  * @since Common Annotations 1.0

    55  * @see javax.annotation.PreDestroy

    56  * @see javax.annotation.Resource

    57  */

    58 @Documented

    59 @Retention (RUNTIME)

    60 @Target(METHOD)

    61 public @interface PostConstruct {

    62 }

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