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 java.lang.invoke;
27
28 import static java.lang.invoke.LambdaForm.BasicType.*;
29 import static java.lang.invoke.MethodHandleStatics.*;
30
31 /**
32 * A method handle whose behavior is determined only by its LambdaForm.
33 * @author jrose
34 */
35 final class SimpleMethodHandle extends BoundMethodHandle {
36 private SimpleMethodHandle(MethodType type, LambdaForm form) {
37 super(type, form);
38 }
39
40 /*non-public*/ static BoundMethodHandle make(MethodType type, LambdaForm form) {
41 return new SimpleMethodHandle(type, form);
42 }
43
44 /*non-public*/ static final SpeciesData SPECIES_DATA = SpeciesData.EMPTY;
45
46 /*non-public*/ public SpeciesData speciesData() {
47 return SPECIES_DATA;
48 }
49
50 @Override
51 /*non-public*/ BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) {
52 return make(mt, lf);
53 }
54
55 @Override
56 String internalProperties() {
57 return "\n& Class="+getClass().getSimpleName();
58 }
59
60 @Override
61 /*non-public*/ public int fieldCount() {
62 return 0;
63 }
64
65 @Override
66 /*non-public*/ final BoundMethodHandle copyWithExtendL(MethodType mt, LambdaForm lf, Object narg) {
67 return BoundMethodHandle.bindSingle(mt, lf, narg); // Use known fast path.
68 }
69 @Override
70 /*non-public*/ final BoundMethodHandle copyWithExtendI(MethodType mt, LambdaForm lf, int narg) {
71 try {
72 return (BoundMethodHandle) SPECIES_DATA.extendWith(I_TYPE).constructor().invokeBasic(mt, lf, narg);
73 } catch (Throwable ex) {
74 throw uncaughtException(ex);
75 }
76 }
77 @Override
78 /*non-public*/ final BoundMethodHandle copyWithExtendJ(MethodType mt, LambdaForm lf, long narg) {
79 try {
80 return (BoundMethodHandle) SPECIES_DATA.extendWith(J_TYPE).constructor().invokeBasic(mt, lf, narg);
81 } catch (Throwable ex) {
82 throw uncaughtException(ex);
83 }
84 }
85 @Override
86 /*non-public*/ final BoundMethodHandle copyWithExtendF(MethodType mt, LambdaForm lf, float narg) {
87 try {
88 return (BoundMethodHandle) SPECIES_DATA.extendWith(F_TYPE).constructor().invokeBasic(mt, lf, narg);
89 } catch (Throwable ex) {
90 throw uncaughtException(ex);
91 }
92 }
93 @Override
94 /*non-public*/ final BoundMethodHandle copyWithExtendD(MethodType mt, LambdaForm lf, double narg) {
95 try {
96 return (BoundMethodHandle) SPECIES_DATA.extendWith(D_TYPE).constructor().invokeBasic(mt, lf, narg);
97 } catch (Throwable ex) {
98 throw uncaughtException(ex);
99 }
100 }
101 }
|
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 java.lang.invoke;
27
28 import jdk.internal.vm.annotation.Stable;
29
30 import static java.lang.invoke.LambdaForm.BasicType.*;
31 import static java.lang.invoke.MethodHandleStatics.*;
32
33 /**
34 * A method handle whose behavior is determined only by its LambdaForm.
35 * @author jrose
36 */
37 final class SimpleMethodHandle extends BoundMethodHandle {
38 private SimpleMethodHandle(MethodType type, LambdaForm form) {
39 super(type, form);
40 }
41
42 /*non-public*/ static BoundMethodHandle make(MethodType type, LambdaForm form) {
43 return new SimpleMethodHandle(type, form);
44 }
45
46 /*non-public*/ @Stable static BMHSpecies BMH_SPECIES;
47
48 /*non-public*/ public BMHSpecies speciesData() {
49 return BMH_SPECIES;
50 }
51
52 @Override
53 /*non-public*/ BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) {
54 return make(mt, lf);
55 }
56
57 @Override
58 String internalProperties() {
59 return "\n& Class="+getClass().getSimpleName();
60 }
61
62 @Override
63 /*non-public*/ final BoundMethodHandle copyWithExtendL(MethodType mt, LambdaForm lf, Object narg) {
64 return BoundMethodHandle.bindSingle(mt, lf, narg); // Use known fast path.
65 }
66 @Override
67 /*non-public*/ final BoundMethodHandle copyWithExtendI(MethodType mt, LambdaForm lf, int narg) {
68 try {
69 return (BoundMethodHandle) BMH_SPECIES.extendWith(I_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
70 } catch (Throwable ex) {
71 throw uncaughtException(ex);
72 }
73 }
74 @Override
75 /*non-public*/ final BoundMethodHandle copyWithExtendJ(MethodType mt, LambdaForm lf, long narg) {
76 try {
77 return (BoundMethodHandle) BMH_SPECIES.extendWith(J_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
78 } catch (Throwable ex) {
79 throw uncaughtException(ex);
80 }
81 }
82 @Override
83 /*non-public*/ final BoundMethodHandle copyWithExtendF(MethodType mt, LambdaForm lf, float narg) {
84 try {
85 return (BoundMethodHandle) BMH_SPECIES.extendWith(F_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
86 } catch (Throwable ex) {
87 throw uncaughtException(ex);
88 }
89 }
90 @Override
91 /*non-public*/ final BoundMethodHandle copyWithExtendD(MethodType mt, LambdaForm lf, double narg) {
92 try {
93 return (BoundMethodHandle) BMH_SPECIES.extendWith(D_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
94 } catch (Throwable ex) {
95 throw uncaughtException(ex);
96 }
97 }
98 }
|