jdk8-mips64-public/langtools: src/share/classes/javax/lang/model/util/AbstractTypeVisitor7.java@8cc5b440fdde

7033809: Rename "disjunctive" to "union" in javax.lang.model
Reviewed-by: mcimadamore, jjg

     1 /*

     2  * Copyright (c) 2010, 2011 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 javax.lang.model.type.*;

    30 /**

    31  * A skeletal visitor of types with default behavior appropriate for

    32  * the {@link javax.lang.model.SourceVersion#RELEASE_7 RELEASE_7}

    33  * source version.

    34  *

    35  * <p> <b>WARNING:</b> The {@code TypeVisitor} interface implemented

    36  * by this class may have methods added to it in the future to

    37  * accommodate new, currently unknown, language structures added to

    38  * future versions of the Java&trade; programming language.

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

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

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

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

    43  *

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

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

    46  * #visitUnknown visitUnknown} method.  A new abstract type visitor

    47  * class will also be introduced to correspond to the new language

    48  * level; this visitor will have different default behavior for the

    49  * visit method in question.  When the new visitor is introduced, all

    50  * or portions of this visitor may be deprecated.

    51  *

    52  * @param <R> the return type of this visitor's methods.  Use {@link

    53  *            Void} for visitors that do not need to return results.

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

    55  *            methods.  Use {@code Void} for visitors that do not need an

    56  *            additional parameter.

    57  *

    58  * @see AbstractTypeVisitor6

    59  * @since 1.7

    60  */

    61 public abstract class AbstractTypeVisitor7<R, P> extends AbstractTypeVisitor6<R, P> {

    62     /**

    63      * Constructor for concrete subclasses to call.

    64      */

    65     protected AbstractTypeVisitor7() {

    66         super();

    67     }

    69     /**

    70      * Visits a {@code UnionType} in a manner defined by a subclass.

    71      *

    72      * @param t  {@inheritDoc}

    73      * @param p  {@inheritDoc}

    74      * @return the result of the visit as defined by a subclass

    75      */

    76     public abstract R visitUnion(UnionType t, P p);

    77 }

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