| /* |
| * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.lang.invoke; |
| |
| import static java.lang.invoke.LambdaForm.BasicType.*; |
| import static java.lang.invoke.MethodHandleStatics.*; |
| |
| /** |
| * A method handle whose behavior is determined only by its LambdaForm. |
| * @author jrose |
| */ |
| final class SimpleMethodHandle extends BoundMethodHandle { |
| private SimpleMethodHandle(MethodType type, LambdaForm form) { |
| super(type, form); |
| } |
| |
| /*non-public*/ static BoundMethodHandle make(MethodType type, LambdaForm form) { |
| return new SimpleMethodHandle(type, form); |
| } |
| |
| /*non-public*/ static final SpeciesData SPECIES_DATA = SpeciesData.EMPTY; |
| |
| /*non-public*/ public SpeciesData speciesData() { |
| return SPECIES_DATA; |
| } |
| |
| @Override |
| /*non-public*/ BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) { |
| return make(mt, lf); |
| } |
| |
| @Override |
| String internalProperties() { |
| return "\n& Class="+getClass().getSimpleName(); |
| } |
| |
| @Override |
| /*non-public*/ public int fieldCount() { |
| return 0; |
| } |
| |
| @Override |
| /*non-public*/ final BoundMethodHandle copyWithExtendL(MethodType mt, LambdaForm lf, Object narg) { |
| return BoundMethodHandle.bindSingle(mt, lf, narg); // Use known fast path. |
| } |
| @Override |
| /*non-public*/ final BoundMethodHandle copyWithExtendI(MethodType mt, LambdaForm lf, int narg) { |
| try { |
| return (BoundMethodHandle) SPECIES_DATA.extendWith(I_TYPE).constructor().invokeBasic(mt, lf, narg); |
| } catch (Throwable ex) { |
| throw uncaughtException(ex); |
| } |
| } |
| @Override |
| /*non-public*/ final BoundMethodHandle copyWithExtendJ(MethodType mt, LambdaForm lf, long narg) { |
| try { |
| return (BoundMethodHandle) SPECIES_DATA.extendWith(J_TYPE).constructor().invokeBasic(mt, lf, narg); |
| } catch (Throwable ex) { |
| throw uncaughtException(ex); |
| } |
| } |
| @Override |
| /*non-public*/ final BoundMethodHandle copyWithExtendF(MethodType mt, LambdaForm lf, float narg) { |
| try { |
| return (BoundMethodHandle) SPECIES_DATA.extendWith(F_TYPE).constructor().invokeBasic(mt, lf, narg); |
| } catch (Throwable ex) { |
| throw uncaughtException(ex); |
| } |
| } |
| @Override |
| /*non-public*/ final BoundMethodHandle copyWithExtendD(MethodType mt, LambdaForm lf, double narg) { |
| try { |
| return (BoundMethodHandle) SPECIES_DATA.extendWith(D_TYPE).constructor().invokeBasic(mt, lf, narg); |
| } catch (Throwable ex) { |
| throw uncaughtException(ex); |
| } |
| } |
| } |