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 static javax.lang.model.SourceVersion.*; 31 32 /** 33 * A simple visitor of types with default behavior appropriate for 34 * source version {@link SourceVersion#RELEASE_14 RELEASE_14}. 35 * 36 * Visit methods corresponding to {@code RELEASE_14} and earlier 37 * language constructs call {@link #defaultAction defaultAction}, 38 * passing their arguments to {@code defaultAction}'s corresponding 39 * parameters. 40 * 41 * @apiNote 42 * Methods in this class may be overridden subject to their general 43 * contract. 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="SimpleTypeVisitor6.html#note_for_subclasses"> 52 * <strong>Compatibility note for subclasses</strong></a> 53 * @see SimpleTypeVisitor6 54 * @see SimpleTypeVisitor7 55 * @see SimpleTypeVisitor8 56 * @see SimpleTypeVisitor9 57 * @since 14 58 */ 59 @SupportedSourceVersion(RELEASE_16) 60 public class SimpleTypeVisitor14<R, P> extends SimpleTypeVisitor9<R, P> { 61 /** 62 * Constructor for concrete subclasses; uses {@code null} for the 63 * default value. 64 */ 65 protected SimpleTypeVisitor14(){ 66 super(null); 67 } 68 69 /** 70 * Constructor for concrete subclasses; uses the argument for the 71 * default value. 72 * 73 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} 74 */ 75 protected SimpleTypeVisitor14(R defaultValue){ 76 super(defaultValue); 77 } 78 }