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src/java.base/share/classes/jdk/internal/reflect/NativeConstructorAccessorImpl.java

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  32     afterward, switches to bytecode-based implementation */
  33 
  34 class NativeConstructorAccessorImpl extends ConstructorAccessorImpl {
  35     private final Constructor<?> c;
  36     private DelegatingConstructorAccessorImpl parent;
  37     private int numInvocations;
  38 
  39     NativeConstructorAccessorImpl(Constructor<?> c) {
  40         this.c = c;
  41     }
  42 
  43     public Object newInstance(Object[] args)
  44         throws InstantiationException,
  45                IllegalArgumentException,
  46                InvocationTargetException
  47     {
  48         // We can't inflate a constructor belonging to a vm-anonymous class
  49         // because that kind of class can't be referred to by name, hence can't
  50         // be found from the generated bytecode.
  51         if (++numInvocations > ReflectionFactory.inflationThreshold()
  52                 && !ReflectUtil.isVMAnonymousClass(c.getDeclaringClass())) {
  53             ConstructorAccessorImpl acc = (ConstructorAccessorImpl)
  54                 new MethodAccessorGenerator().
  55                     generateConstructor(c.getDeclaringClass(),
  56                                         c.getParameterTypes(),
  57                                         c.getExceptionTypes(),
  58                                         c.getModifiers());
  59             parent.setDelegate(acc);
  60         }
  61 
  62         return newInstance0(c, args);
  63     }
  64 
  65     void setParent(DelegatingConstructorAccessorImpl parent) {
  66         this.parent = parent;
  67     }
  68 
  69     private static native Object newInstance0(Constructor<?> c, Object[] args)
  70         throws InstantiationException,
  71                IllegalArgumentException,
  72                InvocationTargetException;


  32     afterward, switches to bytecode-based implementation */
  33 
  34 class NativeConstructorAccessorImpl extends ConstructorAccessorImpl {
  35     private final Constructor<?> c;
  36     private DelegatingConstructorAccessorImpl parent;
  37     private int numInvocations;
  38 
  39     NativeConstructorAccessorImpl(Constructor<?> c) {
  40         this.c = c;
  41     }
  42 
  43     public Object newInstance(Object[] args)
  44         throws InstantiationException,
  45                IllegalArgumentException,
  46                InvocationTargetException
  47     {
  48         // We can't inflate a constructor belonging to a vm-anonymous class
  49         // because that kind of class can't be referred to by name, hence can't
  50         // be found from the generated bytecode.
  51         if (++numInvocations > ReflectionFactory.inflationThreshold()
  52                 && !c.getDeclaringClass().isHidden()) {
  53             ConstructorAccessorImpl acc = (ConstructorAccessorImpl)
  54                 new MethodAccessorGenerator().
  55                     generateConstructor(c.getDeclaringClass(),
  56                                         c.getParameterTypes(),
  57                                         c.getExceptionTypes(),
  58                                         c.getModifiers());
  59             parent.setDelegate(acc);
  60         }
  61 
  62         return newInstance0(c, args);
  63     }
  64 
  65     void setParent(DelegatingConstructorAccessorImpl parent) {
  66         this.parent = parent;
  67     }
  68 
  69     private static native Object newInstance0(Constructor<?> c, Object[] args)
  70         throws InstantiationException,
  71                IllegalArgumentException,
  72                InvocationTargetException;
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