/* * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ 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); } } }