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