1 /* 2 * Copyright (c) 2011, 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.type.IntersectionType; 31 import static javax.lang.model.SourceVersion.*; 32 33 /** 34 * A simple visitor of types with default behavior appropriate for the 35 * {@link SourceVersion#RELEASE_8 RELEASE_8} source version. 36 * 37 * Visit methods corresponding to {@code RELEASE_8} and earlier 38 * language constructs call {@link #defaultAction defaultAction}, 39 * passing their arguments to {@code defaultAction}'s corresponding 40 * parameters. 41 * 42 * @apiNote 43 * Methods in this class may be overridden subject to their general 44 * contract. 45 * 46 * @param <R> the return type of this visitor's methods. Use {@link 47 * Void} for visitors that do not need to return results. 48 * @param <P> the type of the additional parameter to this visitor's 49 * methods. Use {@code Void} for visitors that do not need an 50 * additional parameter. 51 * 52 * @see <a href="SimpleTypeVisitor6.html#note_for_subclasses"> 53 * <strong>Compatibility note for subclasses</strong></a> 54 * @see SimpleTypeVisitor6 55 * @see SimpleTypeVisitor7 56 * @see SimpleTypeVisitor9 57 * @see SimpleTypeVisitor14 58 * @since 1.8 59 */ 60 @SupportedSourceVersion(RELEASE_8) 61 public class SimpleTypeVisitor8<R, P> extends SimpleTypeVisitor7<R, P> { 62 /** 63 * Constructor for concrete subclasses; uses {@code null} for the 64 * default value. 65 */ 66 @SuppressWarnings("deprecation") // Superclass constructor deprecated 67 protected SimpleTypeVisitor8(){ 68 super(null); 69 } 70 71 /** 72 * Constructor for concrete subclasses; uses the argument for the 73 * default value. 74 * 75 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} 76 */ 77 @SuppressWarnings("deprecation") // Superclass constructor deprecated 78 protected SimpleTypeVisitor8(R defaultValue){ 79 super(defaultValue); 80 } 81 82 /** 83 * {@inheritDoc} 84 * 85 * @implSpec This implementation calls {@code defaultAction}. 86 * 87 * @param t {@inheritDoc} 88 * @param p {@inheritDoc} 89 * @return the result of {@code defaultAction} 90 */ 91 @Override 92 public R visitIntersection(IntersectionType t, P p){ 93 return defaultAction(t, p); 94 } 95 }