jdk8-mips64-public/langtools: src/share/classes/javax/lang/model/element/AnnotationValue.java@7a75a1803c7a

7015530: Reiterate API specializations in javax.lang.model.elment subinterfaces
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2005, 2006, 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.lang.model.element;

    29 import java.util.List;

    30 import javax.lang.model.type.*;

    32 /**

    33  * Represents a value of an annotation type element.

    34  * A value is of one of the following types:

    35  * <ul><li> a wrapper class (such as {@link Integer}) for a primitive type

    36  *     <li> {@code String}

    37  *     <li> {@code TypeMirror}

    38  *     <li> {@code VariableElement} (representing an enum constant)

    39  *     <li> {@code AnnotationMirror}

    40  *     <li> {@code List<? extends AnnotationValue>}

    41  *              (representing the elements, in declared order, if the value is an array)

    42  * </ul>

    43  *

    44  * @author Joseph D. Darcy

    45  * @author Scott Seligman

    46  * @author Peter von der Ah&eacute;

    47  * @since 1.6

    48  */

    49 public interface AnnotationValue {

    51     /**

    52      * Returns the value.

    53      *

    54      * @return the value

    55      */

    56     Object getValue();

    58     /**

    59      * Returns a string representation of this value.

    60      * This is returned in a form suitable for representing this value

    61      * in the source code of an annotation.

    62      *

    63      * @return a string representation of this value

    64      */

    65     String toString();

    67     /**

    68      * Applies a visitor to this value.

    69      *

    70      * @param <R> the return type of the visitor's methods

    71      * @param <P> the type of the additional parameter to the visitor's methods

    72      * @param v   the visitor operating on this value

    73      * @param p   additional parameter to the visitor

    74      * @return a visitor-specified result

    75      */

    76     <R, P> R accept(AnnotationValueVisitor<R, P> v, P p);

    77 }

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