23 * questions. |
23 * questions. |
24 */ |
24 */ |
25 |
25 |
26 package java.lang.invoke; |
26 package java.lang.invoke; |
27 |
27 |
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28 import static java.lang.invoke.LambdaForm.BasicType.*; |
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29 import static java.lang.invoke.MethodHandleStatics.*; |
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30 |
28 /** |
31 /** |
29 * A method handle whose behavior is determined only by its LambdaForm. |
32 * A method handle whose behavior is determined only by its LambdaForm. |
30 * @author jrose |
33 * @author jrose |
31 */ |
34 */ |
32 final class SimpleMethodHandle extends MethodHandle { |
35 final class SimpleMethodHandle extends BoundMethodHandle { |
33 private SimpleMethodHandle(MethodType type, LambdaForm form) { |
36 private SimpleMethodHandle(MethodType type, LambdaForm form) { |
34 super(type, form); |
37 super(type, form); |
35 } |
38 } |
36 |
39 |
37 /*non-public*/ static SimpleMethodHandle make(MethodType type, LambdaForm form) { |
40 /*non-public*/ static BoundMethodHandle make(MethodType type, LambdaForm form) { |
38 return new SimpleMethodHandle(type, form); |
41 return new SimpleMethodHandle(type, form); |
39 } |
42 } |
40 |
43 |
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44 /*non-public*/ static final SpeciesData SPECIES_DATA = SpeciesData.EMPTY; |
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45 |
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46 /*non-public*/ public SpeciesData speciesData() { |
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47 return SPECIES_DATA; |
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48 } |
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49 |
41 @Override |
50 @Override |
42 /*non-public*/ SimpleMethodHandle copyWith(MethodType mt, LambdaForm lf) { |
51 /*non-public*/ BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) { |
43 return make(mt, lf); |
52 return make(mt, lf); |
44 } |
53 } |
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54 |
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55 @Override |
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56 String internalProperties() { |
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57 return "\n& Class="+getClass().getSimpleName(); |
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58 } |
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59 |
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60 @Override |
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61 /*non-public*/ public int fieldCount() { |
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62 return 0; |
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63 } |
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64 |
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65 @Override |
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66 /*non-public*/ final BoundMethodHandle copyWithExtendL(MethodType mt, LambdaForm lf, Object narg) { |
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67 return BoundMethodHandle.bindSingle(mt, lf, narg); // Use known fast path. |
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68 } |
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69 @Override |
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70 /*non-public*/ final BoundMethodHandle copyWithExtendI(MethodType mt, LambdaForm lf, int narg) { |
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71 try { |
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72 return (BoundMethodHandle) SPECIES_DATA.extendWith(I_TYPE).constructor().invokeBasic(mt, lf, narg); |
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73 } catch (Throwable ex) { |
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74 throw uncaughtException(ex); |
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75 } |
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76 } |
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77 @Override |
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78 /*non-public*/ final BoundMethodHandle copyWithExtendJ(MethodType mt, LambdaForm lf, long narg) { |
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79 try { |
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80 return (BoundMethodHandle) SPECIES_DATA.extendWith(J_TYPE).constructor().invokeBasic(mt, lf, narg); |
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81 } catch (Throwable ex) { |
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82 throw uncaughtException(ex); |
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83 } |
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84 } |
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85 @Override |
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86 /*non-public*/ final BoundMethodHandle copyWithExtendF(MethodType mt, LambdaForm lf, float narg) { |
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87 try { |
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88 return (BoundMethodHandle) SPECIES_DATA.extendWith(F_TYPE).constructor().invokeBasic(mt, lf, narg); |
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89 } catch (Throwable ex) { |
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90 throw uncaughtException(ex); |
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91 } |
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92 } |
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93 @Override |
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94 /*non-public*/ final BoundMethodHandle copyWithExtendD(MethodType mt, LambdaForm lf, double narg) { |
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95 try { |
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96 return (BoundMethodHandle) SPECIES_DATA.extendWith(D_TYPE).constructor().invokeBasic(mt, lf, narg); |
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97 } catch (Throwable ex) { |
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98 throw uncaughtException(ex); |
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99 } |
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100 } |
45 } |
101 } |