src/java.compiler/share/classes/javax/lang/model/util/SimpleElementVisitor14.java - master - niceSOFT/openjdk21

src/java.compiler/share/classes/javax/lang/model/util/SimpleElementVisitor14.java
94 строки3 KB
Joe Darcy
8296149: Start of release updates for JDK 21
08 дек 2022, 19:04
08 дек 2022, 19:04175e3d3
/*
 * Copyright (c) 2019, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package javax.lang.model.util;

import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.RecordComponentElement;
import static javax.lang.model.SourceVersion.*;

/**
 * A simple visitor of program elements with default behavior
 * appropriate for the {@link SourceVersion#RELEASE_14 RELEASE_14}
 * source version.
 *
 * Visit methods corresponding to {@code RELEASE_14} and earlier
 * language constructs call {@link #defaultAction defaultAction},
 * passing their arguments to {@code defaultAction}'s corresponding
 * parameters.
 *
 * @apiNote
 * Methods in this class may be overridden subject to their general
 * contract.
 *
 * @param <R> the return type of this visitor's methods.  Use {@code Void}
 *             for visitors that do not need to return results.
 * @param <P> the type of the additional parameter to this visitor's methods.  Use {@code Void}
 *              for visitors that do not need an additional parameter.
 *
 * @see <a href="SimpleElementVisitor6.html#note_for_subclasses">
 * <strong>Compatibility note for subclasses</strong></a>
 * @see SimpleElementVisitor6
 * @see SimpleElementVisitor7
 * @see SimpleElementVisitor8
 * @see SimpleElementVisitor9
 * @since 16
 */
@SupportedSourceVersion(RELEASE_21)
public class SimpleElementVisitor14<R, P> extends SimpleElementVisitor9<R, P> {
    /**
     * Constructor for concrete subclasses; uses {@code null} for the
     * default value.
     */
    protected SimpleElementVisitor14(){
        super(null);
    }

    /**
     * Constructor for concrete subclasses; uses the argument for the
     * default value.
     *
     * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
     */
    protected SimpleElementVisitor14(R defaultValue){
        super(defaultValue);
    }

    /**
     * {@inheritDoc}
     *
     * @implSpec Visits a {@code RecordComponentElement} by calling {@code
     * defaultAction}.
     *
     * @param e the element to visit
     * @param p a visitor-specified parameter
     * @return  {@inheritDoc}
     */
    @Override
    public R visitRecordComponent(RecordComponentElement e, P p) {
        return defaultAction(e, p);
    }
}