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.lang.model.element.*;
29 import javax.annotation.processing.SupportedSourceVersion;
30 import static javax.lang.model.SourceVersion.*;
31 import javax.lang.model.SourceVersion;
32
33 /**
34 * A visitor of program elements based on their {@linkplain
35 * ElementKind kind} with default behavior appropriate for the {@link
36 * SourceVersion#RELEASE_14 RELEASE_14} source version.
37 *
38 * For {@linkplain
39 * Element elements} <code><i>Xyz</i></code> that may have more than one
40 * kind, the <code>visit<i>Xyz</i></code> methods in this class delegate
41 * to the <code>visit<i>Xyz</i>As<i>Kind</i></code> method corresponding to the
42 * first argument's kind. The <code>visit<i>Xyz</i>As<i>Kind</i></code> methods
43 * call {@link #defaultAction defaultAction}, passing their arguments
44 * to {@code defaultAction}'s corresponding parameters.
45 *
46 * <p> Methods in this class may be overridden subject to their
47 * general contract. Note that annotating methods in concrete
48 * subclasses with {@link java.lang.Override @Override} will help
49 * ensure that methods are overridden as intended.
50 *
51 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface
52 * implemented by this class may have methods added to it or the
53 * {@code ElementKind} {@code enum} used in this case may have
61 *
62 * <p>When such a new visit method is added, the default
63 * implementation in this class will be to call the {@link
64 * #visitUnknown visitUnknown} method. A new abstract element kind
65 * visitor class will also be introduced to correspond to the new
66 * language level; this visitor will have different default behavior
67 * for the visit method in question. When the new visitor is
68 * introduced, all or portions of this visitor may be deprecated.
69 *
70 * @param <R> the return type of this visitor's methods. Use {@link
71 * Void} for visitors that do not need to return results.
72 * @param <P> the type of the additional parameter to this visitor's
73 * methods. Use {@code Void} for visitors that do not need an
74 * additional parameter.
75 *
76 * @see ElementKindVisitor6
77 * @see ElementKindVisitor7
78 * @see ElementKindVisitor8
79 * @see ElementKindVisitor9
80 * @since 14
81 * @deprecated This class is part of a preview feature and may be removed
82 * if the preview feature is removed.
83 */
84 @Deprecated(forRemoval=true, since="14")
85 @SuppressWarnings("removal")
86 @SupportedSourceVersion(RELEASE_14)
87 public class ElementKindVisitor14<R, P> extends ElementKindVisitor9<R, P> {
88 /**
89 * Constructor for concrete subclasses; uses {@code null} for the
90 * default value.
91 */
92 protected ElementKindVisitor14() {
93 super(null);
94 }
95
96 /**
97 * Constructor for concrete subclasses; uses the argument for the
98 * default value.
99 *
100 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
101 */
102 protected ElementKindVisitor14(R defaultValue) {
103 super(defaultValue);
104 }
105
|
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.lang.model.element.*;
29 import javax.annotation.processing.SupportedSourceVersion;
30 import static javax.lang.model.SourceVersion.*;
31 import javax.lang.model.SourceVersion;
32
33 /**
34 * {@preview Associated with records, a preview feature of the Java language.
35 *
36 * This class is associated with <i>records</i>, a preview
37 * feature of the Java language. Programs can only use this
38 * method when preview features are enabled. Preview features
39 * may be removed in a future release, or upgraded to permanent
40 * features of the Java language.}
41 *
42 * A visitor of program elements based on their {@linkplain
43 * ElementKind kind} with default behavior appropriate for the {@link
44 * SourceVersion#RELEASE_14 RELEASE_14} source version.
45 *
46 * For {@linkplain
47 * Element elements} <code><i>Xyz</i></code> that may have more than one
48 * kind, the <code>visit<i>Xyz</i></code> methods in this class delegate
49 * to the <code>visit<i>Xyz</i>As<i>Kind</i></code> method corresponding to the
50 * first argument's kind. The <code>visit<i>Xyz</i>As<i>Kind</i></code> methods
51 * call {@link #defaultAction defaultAction}, passing their arguments
52 * to {@code defaultAction}'s corresponding parameters.
53 *
54 * <p> Methods in this class may be overridden subject to their
55 * general contract. Note that annotating methods in concrete
56 * subclasses with {@link java.lang.Override @Override} will help
57 * ensure that methods are overridden as intended.
58 *
59 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface
60 * implemented by this class may have methods added to it or the
61 * {@code ElementKind} {@code enum} used in this case may have
69 *
70 * <p>When such a new visit method is added, the default
71 * implementation in this class will be to call the {@link
72 * #visitUnknown visitUnknown} method. A new abstract element kind
73 * visitor class will also be introduced to correspond to the new
74 * language level; this visitor will have different default behavior
75 * for the visit method in question. When the new visitor is
76 * introduced, all or portions of this visitor may be deprecated.
77 *
78 * @param <R> the return type of this visitor's methods. Use {@link
79 * Void} for visitors that do not need to return results.
80 * @param <P> the type of the additional parameter to this visitor's
81 * methods. Use {@code Void} for visitors that do not need an
82 * additional parameter.
83 *
84 * @see ElementKindVisitor6
85 * @see ElementKindVisitor7
86 * @see ElementKindVisitor8
87 * @see ElementKindVisitor9
88 * @since 14
89 */
90 @jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
91 essentialAPI=false)
92 @SuppressWarnings("preview")
93 @SupportedSourceVersion(RELEASE_14)
94 public class ElementKindVisitor14<R, P> extends ElementKindVisitor9<R, P> {
95 /**
96 * Constructor for concrete subclasses; uses {@code null} for the
97 * default value.
98 */
99 protected ElementKindVisitor14() {
100 super(null);
101 }
102
103 /**
104 * Constructor for concrete subclasses; uses the argument for the
105 * default value.
106 *
107 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
108 */
109 protected ElementKindVisitor14(R defaultValue) {
110 super(defaultValue);
111 }
112
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