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 jdk.internal.reflect;
27
28 import java.lang.reflect.*;
29 import sun.reflect.misc.ReflectUtil;
30
31 /** Used only for the first few invocations of a Method; afterward,
32 switches to bytecode-based implementation */
33
34 class NativeMethodAccessorImpl extends MethodAccessorImpl {
35 private final Method method;
36 private DelegatingMethodAccessorImpl parent;
37 private int numInvocations;
38
39 NativeMethodAccessorImpl(Method method) {
40 this.method = method;
41 }
42
43 public Object invoke(Object obj, Object[] args)
44 throws IllegalArgumentException, InvocationTargetException
45 {
46 // We can't inflate methods belonging to vm-anonymous classes because
47 // that kind of class can't be referred to by name, hence can't be
48 // found from the generated bytecode.
49 if (++numInvocations > ReflectionFactory.inflationThreshold()
50 && !ReflectUtil.isVMAnonymousClass(method.getDeclaringClass())) {
51 MethodAccessorImpl acc = (MethodAccessorImpl)
52 new MethodAccessorGenerator().
53 generateMethod(method.getDeclaringClass(),
54 method.getName(),
55 method.getParameterTypes(),
56 method.getReturnType(),
57 method.getExceptionTypes(),
58 method.getModifiers());
59 parent.setDelegate(acc);
60 }
61
62 return invoke0(method, obj, args);
63 }
64
65 void setParent(DelegatingMethodAccessorImpl parent) {
66 this.parent = parent;
67 }
68
69 private static native Object invoke0(Method m, Object obj, Object[] args);
|
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 jdk.internal.reflect;
27
28 import sun.reflect.misc.ReflectUtil;
29
30 import java.lang.reflect.*;
31
32 /** Used only for the first few invocations of a Method; afterward,
33 switches to bytecode-based implementation */
34
35 class NativeMethodAccessorImpl extends MethodAccessorImpl {
36 private final Method method;
37 private DelegatingMethodAccessorImpl parent;
38 private int numInvocations;
39
40 NativeMethodAccessorImpl(Method method) {
41 this.method = method;
42 }
43
44 public Object invoke(Object obj, Object[] args)
45 throws IllegalArgumentException, InvocationTargetException
46 {
47 // We can't inflate methods belonging to vm-anonymous classes because
48 // that kind of class can't be referred to by name, hence can't be
49 // found from the generated bytecode.
50 if (++numInvocations > ReflectionFactory.inflationThreshold()
51 && !method.getDeclaringClass().isHiddenClass()
52 && !ReflectUtil.isVMAnonymousClass(method.getDeclaringClass())) {
53 MethodAccessorImpl acc = (MethodAccessorImpl)
54 new MethodAccessorGenerator().
55 generateMethod(method.getDeclaringClass(),
56 method.getName(),
57 method.getParameterTypes(),
58 method.getReturnType(),
59 method.getExceptionTypes(),
60 method.getModifiers());
61 parent.setDelegate(acc);
62 }
63
64 return invoke0(method, obj, args);
65 }
66
67 void setParent(DelegatingMethodAccessorImpl parent) {
68 this.parent = parent;
69 }
70
71 private static native Object invoke0(Method m, Object obj, Object[] args);
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