56 * begin with {@code "visit"} may be added to this class in the
57 * future; to avoid incompatibilities, classes which extend this class
58 * should not declare any instance methods with names beginning with
59 * {@code "visit"}.
60 *
61 * <p>When such a new visit method is added, the default
62 * implementation in this class will be to call the {@link
63 * #visitUnknown visitUnknown} method. A new abstract element kind
64 * visitor class will also be introduced to correspond to the new
65 * language level; this visitor will have different default behavior
66 * for the visit method in question. When the new visitor is
67 * introduced, all or portions of this visitor may be deprecated.
68 *
69 * @param <R> the return type of this visitor's methods. Use {@link
70 * Void} for visitors that do not need to return results.
71 * @param <P> the type of the additional parameter to this visitor's
72 * methods. Use {@code Void} for visitors that do not need an
73 * additional parameter.
74 *
75 * @see ElementKindVisitor6
76 * @since 1.7
77 */
78 @SupportedSourceVersion(RELEASE_7)
79 public class ElementKindVisitor7<R, P> extends ElementKindVisitor6<R, P> {
80 /**
81 * Constructor for concrete subclasses; uses {@code null} for the
82 * default value.
83 */
84 protected ElementKindVisitor7() {
85 super(null);
86 }
87
88 /**
89 * Constructor for concrete subclasses; uses the argument for the
90 * default value.
91 *
92 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
93 */
94 protected ElementKindVisitor7(R defaultValue) {
95 super(defaultValue);
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56 * begin with {@code "visit"} may be added to this class in the
57 * future; to avoid incompatibilities, classes which extend this class
58 * should not declare any instance methods with names beginning with
59 * {@code "visit"}.
60 *
61 * <p>When such a new visit method is added, the default
62 * implementation in this class will be to call the {@link
63 * #visitUnknown visitUnknown} method. A new abstract element kind
64 * visitor class will also be introduced to correspond to the new
65 * language level; this visitor will have different default behavior
66 * for the visit method in question. When the new visitor is
67 * introduced, all or portions of this visitor may be deprecated.
68 *
69 * @param <R> the return type of this visitor's methods. Use {@link
70 * Void} for visitors that do not need to return results.
71 * @param <P> the type of the additional parameter to this visitor's
72 * methods. Use {@code Void} for visitors that do not need an
73 * additional parameter.
74 *
75 * @see ElementKindVisitor6
76 * @see ElementKindVisitor8
77 * @since 1.7
78 */
79 @SupportedSourceVersion(RELEASE_7)
80 public class ElementKindVisitor7<R, P> extends ElementKindVisitor6<R, P> {
81 /**
82 * Constructor for concrete subclasses; uses {@code null} for the
83 * default value.
84 */
85 protected ElementKindVisitor7() {
86 super(null);
87 }
88
89 /**
90 * Constructor for concrete subclasses; uses the argument for the
91 * default value.
92 *
93 * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
94 */
95 protected ElementKindVisitor7(R defaultValue) {
96 super(defaultValue);
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