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src/java.compiler/share/classes/javax/lang/model/util/SimpleAnnotationValueVisitor9.java

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   1 /*
   2  * Copyright (c) 2011, 2019, 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  * <p> Methods in this class may be overridden subject to their
  42  * general contract.  Note that annotating methods in concrete
  43  * subclasses with {@link java.lang.Override @Override} will help
  44  * ensure that methods are overridden as intended.
  45  *
  46  * <p> <b>WARNING:</b> The {@code AnnotationValueVisitor} interface
  47  * implemented by this class may have methods added to it in the
  48  * future to accommodate new, currently unknown, language structures
  49  * added to future versions of the Java&trade; programming language.
  50  * Therefore, methods whose names begin with {@code "visit"} may be
  51  * added to this class in the future; to avoid incompatibilities,
  52  * classes which extend this class should not declare any instance
  53  * methods with names beginning with {@code "visit"}.
  54  *
  55  * <p>When such a new visit method is added, the default
  56  * implementation in this class will be to call the {@link
  57  * #visitUnknown visitUnknown} method.  A new simple annotation
  58  * value visitor class will also be introduced to correspond to the
  59  * new language level; this visitor will have different default
  60  * behavior for the visit method in question.  When the new visitor is
  61  * introduced, all or portions of this visitor may be deprecated.
  62  *
  63  * @param <R> the return type of this visitor's methods
  64  * @param <P> the type of the additional parameter to this visitor's methods.
  65  *
  66  * @see SimpleAnnotationValueVisitor6
  67  * @see SimpleAnnotationValueVisitor7
  68  * @see SimpleAnnotationValueVisitor8
  69  * @since 9
  70  */
  71 @SupportedSourceVersion(RELEASE_14)
  72 public class SimpleAnnotationValueVisitor9<R, P> extends SimpleAnnotationValueVisitor8<R, P> {
  73     /**
  74      * Constructor for concrete subclasses; uses {@code null} for the
  75      * default value.
  76      */
  77     protected SimpleAnnotationValueVisitor9() {
  78         super(null);
  79     }
  80 
  81     /**
  82      * Constructor for concrete subclasses; uses the argument for the
  83      * default value.
  84      *
  85      * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
  86      */
  87     protected SimpleAnnotationValueVisitor9(R defaultValue) {
  88         super(defaultValue);
  89     }
  90 }
   1 /*
   2  * Copyright (c) 2011, 2018, 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_13 RELEASE_13}.
  36  *
  37  * Visit methods call {@link #defaultAction
  38  * defaultAction} passing their arguments to {@code defaultAction}'s
  39  * corresponding parameters.
  40  *
  41  * <p> Methods in this class may be overridden subject to their
  42  * general contract.  Note that annotating methods in concrete
  43  * subclasses with {@link java.lang.Override @Override} will help
  44  * ensure that methods are overridden as intended.
  45  *
  46  * <p> <b>WARNING:</b> The {@code AnnotationValueVisitor} interface
  47  * implemented by this class may have methods added to it in the
  48  * future to accommodate new, currently unknown, language structures
  49  * added to future versions of the Java&trade; programming language.
  50  * Therefore, methods whose names begin with {@code "visit"} may be
  51  * added to this class in the future; to avoid incompatibilities,
  52  * classes which extend this class should not declare any instance
  53  * methods with names beginning with {@code "visit"}.
  54  *
  55  * <p>When such a new visit method is added, the default
  56  * implementation in this class will be to call the {@link
  57  * #visitUnknown visitUnknown} method.  A new simple annotation
  58  * value visitor class will also be introduced to correspond to the
  59  * new language level; this visitor will have different default
  60  * behavior for the visit method in question.  When the new visitor is
  61  * introduced, all or portions of this visitor may be deprecated.
  62  *
  63  * @param <R> the return type of this visitor's methods
  64  * @param <P> the type of the additional parameter to this visitor's methods.
  65  *
  66  * @see SimpleAnnotationValueVisitor6
  67  * @see SimpleAnnotationValueVisitor7
  68  * @see SimpleAnnotationValueVisitor8
  69  * @since 9
  70  */
  71 @SupportedSourceVersion(RELEASE_13)
  72 public class SimpleAnnotationValueVisitor9<R, P> extends SimpleAnnotationValueVisitor8<R, P> {
  73     /**
  74      * Constructor for concrete subclasses; uses {@code null} for the
  75      * default value.
  76      */
  77     protected SimpleAnnotationValueVisitor9() {
  78         super(null);
  79     }
  80 
  81     /**
  82      * Constructor for concrete subclasses; uses the argument for the
  83      * default value.
  84      *
  85      * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
  86      */
  87     protected SimpleAnnotationValueVisitor9(R defaultValue) {
  88         super(defaultValue);
  89     }
  90 }
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