jdk8-mips64-public/langtools: src/share/classes/javax/lang/model/util/SimpleAnnotationValueVisitor7.java@4868a36f6fd8

     1 /*

     2  * Copyright (c) 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.lang.model.util;

    28 import java.util.List;

    29 import javax.lang.model.element.*;

    31 import javax.lang.model.type.TypeMirror;

    32 import static javax.lang.model.SourceVersion.*;

    33 import javax.lang.model.SourceVersion;

    34 import javax.annotation.processing.SupportedSourceVersion;

    36 /**

    37  * A simple visitor for annotation values with default behavior

    38  * appropriate for the {@link SourceVersion#RELEASE_7 RELEASE_7}

    39  * source version.  Visit methods call {@link

    40  * #defaultAction} passing their arguments to {@code defaultAction}'s

    41  * corresponding parameters.

    42  *

    43  * <p> Methods in this class may be overridden subject to their

    44  * general contract.  Note that annotating methods in concrete

    45  * subclasses with {@link java.lang.Override @Override} will help

    46  * ensure that methods are overridden as intended.

    47  *

    48  * <p> <b>WARNING:</b> The {@code AnnotationValueVisitor} interface

    49  * implemented by this class may have methods added to it in the

    50  * future to accommodate new, currently unknown, language structures

    51  * added to future versions of the Java&trade; programming language.

    52  * Therefore, methods whose names begin with {@code "visit"} may be

    53  * added to this class in the future; to avoid incompatibilities,

    54  * classes which extend this class should not declare any instance

    55  * methods with names beginning with {@code "visit"}.

    56  *

    57  * <p>When such a new visit method is added, the default

    58  * implementation in this class will be to call the {@link

    59  * #visitUnknown visitUnknown} method.  A new simple annotation

    60  * value visitor class will also be introduced to correspond to the

    61  * new language level; this visitor will have different default

    62  * behavior for the visit method in question.  When the new visitor is

    63  * introduced, all or portions of this visitor may be deprecated.

    64  *

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

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

    67  *

    68  * @see SimpleAnnotationValueVisitor6

    69  * @since 1.7

    70  */

    71 @SupportedSourceVersion(RELEASE_7)

    72 public class SimpleAnnotationValueVisitor7<R, P> extends SimpleAnnotationValueVisitor6<R, P> {

    73     /**

    74      * Constructor for concrete subclasses; uses {@code null} for the

    75      * default value.

    76      */

    77     protected SimpleAnnotationValueVisitor7() {

    78         super(null);

    79     }

    81     /**

    82      * Constructor for concrete subclasses; uses the argument for the

    83      * default value.

    84      *

    85      * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}

    86      */

    87     protected SimpleAnnotationValueVisitor7(R defaultValue) {

    88         super(defaultValue);

    89     }

    90 }

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