1 /* 2 * Copyright (c) 2019, 2020, 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 */ 25 26 package javax.lang.model.util; 27 28 import javax.annotation.processing.SupportedSourceVersion; 29 import javax.lang.model.SourceVersion; 30 import javax.lang.model.element.RecordComponentElement; 31 import static javax.lang.model.SourceVersion.*; 32 33 /** 34 * {@preview Associated with records, a preview feature of the Java language. 35 * 36 * This class is associated with <i>records</i>, a preview 37 * feature of the Java language. Preview features 38 * may be removed in a future release, or upgraded to permanent 39 * features of the Java language.} 40 * 41 * A skeletal visitor of program elements with default behavior 42 * appropriate for the {@link SourceVersion#RELEASE_14 RELEASE_14} 43 * source version. 44 * 45 * @param <R> the return type of this visitor's methods. Use {@link 46 * Void} for visitors that do not need to return results. 47 * @param <P> the type of the additional parameter to this visitor's 48 * methods. Use {@code Void} for visitors that do not need an 49 * additional parameter. 50 * 51 * @see <a href="AbstractElementVisitor6.html#note_for_subclasses"> 52 * <strong>Compatibility note for subclasses</strong></a> 53 * @see AbstractElementVisitor6 54 * @see AbstractElementVisitor7 55 * @see AbstractElementVisitor8 56 * @see AbstractElementVisitor9 57 * @since 14 58 */ 59 @jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS, 60 essentialAPI=false) 61 @SupportedSourceVersion(RELEASE_15) 62 public abstract class AbstractElementVisitor14<R, P> extends AbstractElementVisitor9<R, P> { 63 /** 64 * Constructor for concrete subclasses to call. 65 */ 66 protected AbstractElementVisitor14(){ 67 super(); 68 } 69 70 /** 71 * {@inheritDoc} 72 * 73 * @implSpec Visits a {@code RecordComponentElement} in a manner defined by a 74 * subclass. 75 * 76 * @param t {@inheritDoc} 77 * @param p {@inheritDoc} 78 * @return {@inheritDoc} 79 */ 80 @SuppressWarnings("preview") 81 @Override 82 public abstract R visitRecordComponent(RecordComponentElement t, P p); 83 }