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 }