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 sun.reflect.generics.reflectiveObjects;
27
28 import java.lang.reflect.GenericDeclaration;
29 import java.lang.reflect.Type;
30 import java.lang.reflect.TypeVariable;
31
32 import sun.reflect.generics.factory.GenericsFactory;
33 import sun.reflect.generics.tree.FieldTypeSignature;
34 import sun.reflect.generics.visitor.Reifier;
35
36 /**
37 * Implementation of <tt>java.lang.reflect.TypeVariable</tt> interface
38 * for core reflection.
39 */
40 public class TypeVariableImpl<D extends GenericDeclaration>
41 extends LazyReflectiveObjectGenerator implements TypeVariable<D> {
42 D genericDeclaration;
43 private String name;
44 // upper bounds - evaluated lazily
45 private Type[] bounds;
46
47 // The ASTs for the bounds. We are required to evaluate the bounds
48 // lazily, so we store these at least until we are first asked
49 // for the bounds. This also neatly solves the
50 // problem with F-bounds - you can't reify them before the formal
161
162 GenericDeclaration thatDecl = that.getGenericDeclaration();
163 String thatName = that.getName();
164
165 return
166 (genericDeclaration == null ?
167 thatDecl == null :
168 genericDeclaration.equals(thatDecl)) &&
169 (name == null ?
170 thatName == null :
171 name.equals(thatName));
172
173 } else
174 return false;
175 }
176
177 @Override
178 public int hashCode() {
179 return genericDeclaration.hashCode() ^ name.hashCode();
180 }
181 }
|
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 sun.reflect.generics.reflectiveObjects;
27
28 import java.lang.annotation.Annotation;
29 import java.lang.reflect.GenericDeclaration;
30 import java.lang.reflect.Type;
31 import java.lang.reflect.TypeVariable;
32 import java.util.Objects;
33
34 import sun.reflect.generics.factory.GenericsFactory;
35 import sun.reflect.generics.tree.FieldTypeSignature;
36 import sun.reflect.generics.visitor.Reifier;
37
38 /**
39 * Implementation of <tt>java.lang.reflect.TypeVariable</tt> interface
40 * for core reflection.
41 */
42 public class TypeVariableImpl<D extends GenericDeclaration>
43 extends LazyReflectiveObjectGenerator implements TypeVariable<D> {
44 D genericDeclaration;
45 private String name;
46 // upper bounds - evaluated lazily
47 private Type[] bounds;
48
49 // The ASTs for the bounds. We are required to evaluate the bounds
50 // lazily, so we store these at least until we are first asked
51 // for the bounds. This also neatly solves the
52 // problem with F-bounds - you can't reify them before the formal
163
164 GenericDeclaration thatDecl = that.getGenericDeclaration();
165 String thatName = that.getName();
166
167 return
168 (genericDeclaration == null ?
169 thatDecl == null :
170 genericDeclaration.equals(thatDecl)) &&
171 (name == null ?
172 thatName == null :
173 name.equals(thatName));
174
175 } else
176 return false;
177 }
178
179 @Override
180 public int hashCode() {
181 return genericDeclaration.hashCode() ^ name.hashCode();
182 }
183
184 // Currently vacuous implementations of AnnotatedElement methods.
185 public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) {
186 Objects.requireNonNull(annotationClass);
187 return false;
188 }
189
190 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
191 Objects.requireNonNull(annotationClass);
192 return null;
193 }
194
195 public Annotation[] getAnnotations() {
196 // Since zero-length, don't need defensive clone
197 return EMPTY_ANNOTATION_ARRAY;
198 }
199
200 public Annotation[] getDeclaredAnnotations() {
201 // Since zero-length, don't need defensive clone
202 return EMPTY_ANNOTATION_ARRAY;
203 }
204
205 private static final Annotation[] EMPTY_ANNOTATION_ARRAY = new Annotation[0];
206 }
|