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 static javax.lang.model.SourceVersion.*; 31 32 /** 33 * A simple visitor for annotation values with default behavior 34 * appropriate for source versions {@link SourceVersion#RELEASE_9 35 * RELEASE_9} through {@link SourceVersion#RELEASE_14 RELEASE_14}. 36 * 37 * Visit methods call {@link #defaultAction 38 * defaultAction} passing their arguments to {@code defaultAction}'s 39 * corresponding 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 46 * @param <P> the type of the additional parameter to this visitor's methods. 47 * 48 * @see <a href="SimpleAnnotationValueVisitor6.html#note_for_subclasses"> 49 * <strong>Compatibility note for subclasses</strong></a> 50 * @see SimpleAnnotationValueVisitor6 51 * @see SimpleAnnotationValueVisitor7 52 * @see SimpleAnnotationValueVisitor8 53 * @see SimpleAnnotationValueVisitor14 54 * @since 9 55 */ 56 @SupportedSourceVersion(RELEASE_14) 57 public class SimpleAnnotationValueVisitor9<R, P> extends SimpleAnnotationValueVisitor8<R, P> { 58 /** 59 * Constructor for concrete subclasses; uses {@code null} for the 60 * default value. 61 */ 62 protected SimpleAnnotationValueVisitor9() { 63 super(null); 64 } 65 66 /** 67 * Constructor for concrete subclasses; uses the argument for the 68 * default value. 69 * 70 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} 71 */ 72 protected SimpleAnnotationValueVisitor9(R defaultValue) { 73 super(defaultValue); 74 } 75 }