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 source
36 * versions {@link SourceVersion#RELEASE_9 RELEASE_9} through {@link
37 * SourceVersion#RELEASE_12 RELEASE_12}.
38 *
39 * For {@linkplain
40 * Element elements} <code><i>Xyz</i></code> that may have more than one
41 * kind, the <code>visit<i>Xyz</i></code> methods in this class delegate
42 * to the <code>visit<i>Xyz</i>As<i>Kind</i></code> method corresponding to the
43 * first argument's kind. The <code>visit<i>Xyz</i>As<i>Kind</i></code> methods
44 * call {@link #defaultAction defaultAction}, passing their arguments
45 * to {@code defaultAction}'s corresponding parameters.
46 *
47 * <p> Methods in this class may be overridden subject to their
48 * general contract. Note that annotating methods in concrete
49 * subclasses with {@link java.lang.Override @Override} will help
50 * ensure that methods are overridden as intended.
51 *
52 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface
53 * implemented by this class may have methods added to it or the
54 * {@code ElementKind} {@code enum} used in this case may have
55 * constants added to it in the future to accommodate new, currently
56 * unknown, language structures added to future versions of the
57 * Java™ programming language. Therefore, methods whose names
63 * <p>When such a new visit method is added, the default
64 * implementation in this class will be to call the {@link
65 * #visitUnknown visitUnknown} method. A new abstract element kind
66 * visitor class will also be introduced to correspond to the new
67 * language level; this visitor will have different default behavior
68 * for the visit method in question. When the new visitor is
69 * introduced, all or portions of this visitor may be deprecated.
70 *
71 * @param <R> the return type of this visitor's methods. Use {@link
72 * Void} for visitors that do not need to return results.
73 * @param <P> the type of the additional parameter to this visitor's
74 * methods. Use {@code Void} for visitors that do not need an
75 * additional parameter.
76 *
77 * @see ElementKindVisitor6
78 * @see ElementKindVisitor7
79 * @see ElementKindVisitor8
80 * @since 9
81 * @spec JPMS
82 */
83 @SupportedSourceVersion(RELEASE_12)
84 public class ElementKindVisitor9<R, P> extends ElementKindVisitor8<R, P> {
85 /**
86 * Constructor for concrete subclasses; uses {@code null} for the
87 * default value.
88 */
89 protected ElementKindVisitor9() {
90 super(null);
91 }
92
93 /**
94 * Constructor for concrete subclasses; uses the argument for the
95 * default value.
96 *
97 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
98 */
99 protected ElementKindVisitor9(R defaultValue) {
100 super(defaultValue);
101 }
102
103 /**
|
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 source
36 * versions {@link SourceVersion#RELEASE_9 RELEASE_9} through {@link
37 * SourceVersion#RELEASE_13 RELEASE_13}.
38 *
39 * For {@linkplain
40 * Element elements} <code><i>Xyz</i></code> that may have more than one
41 * kind, the <code>visit<i>Xyz</i></code> methods in this class delegate
42 * to the <code>visit<i>Xyz</i>As<i>Kind</i></code> method corresponding to the
43 * first argument's kind. The <code>visit<i>Xyz</i>As<i>Kind</i></code> methods
44 * call {@link #defaultAction defaultAction}, passing their arguments
45 * to {@code defaultAction}'s corresponding parameters.
46 *
47 * <p> Methods in this class may be overridden subject to their
48 * general contract. Note that annotating methods in concrete
49 * subclasses with {@link java.lang.Override @Override} will help
50 * ensure that methods are overridden as intended.
51 *
52 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface
53 * implemented by this class may have methods added to it or the
54 * {@code ElementKind} {@code enum} used in this case may have
55 * constants added to it in the future to accommodate new, currently
56 * unknown, language structures added to future versions of the
57 * Java™ programming language. Therefore, methods whose names
63 * <p>When such a new visit method is added, the default
64 * implementation in this class will be to call the {@link
65 * #visitUnknown visitUnknown} method. A new abstract element kind
66 * visitor class will also be introduced to correspond to the new
67 * language level; this visitor will have different default behavior
68 * for the visit method in question. When the new visitor is
69 * introduced, all or portions of this visitor may be deprecated.
70 *
71 * @param <R> the return type of this visitor's methods. Use {@link
72 * Void} for visitors that do not need to return results.
73 * @param <P> the type of the additional parameter to this visitor's
74 * methods. Use {@code Void} for visitors that do not need an
75 * additional parameter.
76 *
77 * @see ElementKindVisitor6
78 * @see ElementKindVisitor7
79 * @see ElementKindVisitor8
80 * @since 9
81 * @spec JPMS
82 */
83 @SupportedSourceVersion(RELEASE_13)
84 public class ElementKindVisitor9<R, P> extends ElementKindVisitor8<R, P> {
85 /**
86 * Constructor for concrete subclasses; uses {@code null} for the
87 * default value.
88 */
89 protected ElementKindVisitor9() {
90 super(null);
91 }
92
93 /**
94 * Constructor for concrete subclasses; uses the argument for the
95 * default value.
96 *
97 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
98 */
99 protected ElementKindVisitor9(R defaultValue) {
100 super(defaultValue);
101 }
102
103 /**
|