org.jruby.Ruby.getNilClass()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.jruby.Ruby.getNilClass方法的一些代码示例，展示了Ruby.getNilClass的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Ruby.getNilClass方法的具体详情如下：
包路径：org.jruby.Ruby
类名称：Ruby
方法名：getNilClass

Ruby.getNilClass介绍

暂无

代码示例

代码示例来源：origin: bazelbuild/bazel

private RubyRepeatedField repeatedFieldForFieldDescriptor(ThreadContext context,
                             Descriptors.FieldDescriptor fieldDescriptor) {
  IRubyObject typeClass = context.runtime.getNilClass();
  IRubyObject descriptor = getDescriptorForField(context, fieldDescriptor);
  Descriptors.FieldDescriptor.Type type = fieldDescriptor.getType();
  if (type == Descriptors.FieldDescriptor.Type.MESSAGE) {
    typeClass = ((RubyDescriptor) descriptor).msgclass(context);
  } else if (type == Descriptors.FieldDescriptor.Type.ENUM) {
    typeClass = ((RubyEnumDescriptor) descriptor).enummodule(context);
  }
  return new RubyRepeatedField(context.runtime, cRepeatedField, type, typeClass);
}

代码示例来源：origin: bazelbuild/bazel

initValueArg = 3;
} else {
  this.valueTypeClass = context.runtime.getNilClass();

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

public RubyNil(Ruby runtime) {
  super(runtime, runtime.getNilClass(), false);
  flags |= NIL_F | FALSE_F;
  if (RubyInstanceConfig.CONSISTENT_HASHING_ENABLED) {
    // default to a fixed value
    this.hashCode = 34;
  } else {
    // save the object id based hash code;
    this.hashCode = System.identityHashCode(this);
  }
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

public RubyNil(Ruby runtime) {
  super(runtime, runtime.getNilClass(), false);
  flags |= NIL_F | FALSE_F;
  if (RubyInstanceConfig.CONSISTENT_HASHING_ENABLED) {
    // default to a fixed value
    this.hashCode = 34;
  } else {
    // save the object id based hash code;
    this.hashCode = System.identityHashCode(this);
  }
}

代码示例来源：origin: org.jruby/jruby-complete

public RubyNil(Ruby runtime) {
  super(runtime, runtime.getNilClass(), false);
  flags |= NIL_F | FALSE_F | FROZEN_F;
  if (RubyInstanceConfig.CONSISTENT_HASHING_ENABLED) {
    // default to a fixed value
    this.hashCode = 34;
  } else {
    // save the object id based hash code;
    this.hashCode = System.identityHashCode(this);
  }
  constant = OptoFactory.newConstantWrapper(IRubyObject.class, this);
}

代码示例来源：origin: org.jruby/jruby-core

public RubyNil(Ruby runtime) {
  super(runtime, runtime.getNilClass(), false);
  flags |= NIL_F | FALSE_F | FROZEN_F;
  if (RubyInstanceConfig.CONSISTENT_HASHING_ENABLED) {
    // default to a fixed value
    this.hashCode = 34;
  } else {
    // save the object id based hash code;
    this.hashCode = System.identityHashCode(this);
  }
  constant = OptoFactory.newConstantWrapper(IRubyObject.class, this);
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

/** nil_type
 *
 */
@JRubyMethod(name = "type", compat = CompatVersion.RUBY1_8)
public static RubyClass type(IRubyObject recv) {
  return recv.getRuntime().getNilClass();
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

/** nil_type
 *
 */
@JRubyMethod(name = "type", compat = CompatVersion.RUBY1_8)
public static RubyClass type(IRubyObject recv) {
  return recv.getRuntime().getNilClass();
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

public static RubyClass createPointerClass(Ruby runtime, RubyModule module) {
  RubyClass pointerClass = module.defineClassUnder("Pointer",
      module.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS),
      RubyInstanceConfig.REIFY_RUBY_CLASSES ? new ReifyingAllocator(Pointer.class) : PointerAllocator.INSTANCE);
  pointerClass.defineAnnotatedMethods(Pointer.class);
  pointerClass.defineAnnotatedConstants(Pointer.class);
  pointerClass.setReifiedClass(Pointer.class);
  pointerClass.kindOf = new RubyModule.KindOf() {
    @Override
    public boolean isKindOf(IRubyObject obj, RubyModule type) {
      return obj instanceof Pointer && super.isKindOf(obj, type); 
    }
  };
  module.defineClassUnder("NullPointerError", runtime.getRuntimeError(),
      runtime.getRuntimeError().getAllocator());
  // Add Pointer::NULL as a constant
  Pointer nullPointer = new Pointer(runtime, pointerClass, new NullMemoryIO(runtime));
  pointerClass.setConstant("NULL", nullPointer);
  
  runtime.getNilClass().addMethod("to_ptr", new NilToPointerMethod(runtime.getNilClass(), nullPointer));
  return pointerClass;
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

public static RubyClass createPointerClass(Ruby runtime, RubyModule module) {
  RubyClass pointerClass = module.defineClassUnder("Pointer",
      module.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS),
      RubyInstanceConfig.REIFY_RUBY_CLASSES ? new ReifyingAllocator(Pointer.class) : PointerAllocator.INSTANCE);
  pointerClass.defineAnnotatedMethods(Pointer.class);
  pointerClass.defineAnnotatedConstants(Pointer.class);
  pointerClass.setReifiedClass(Pointer.class);
  pointerClass.kindOf = new RubyModule.KindOf() {
    @Override
    public boolean isKindOf(IRubyObject obj, RubyModule type) {
      return obj instanceof Pointer && super.isKindOf(obj, type); 
    }
  };
  module.defineClassUnder("NullPointerError", runtime.getRuntimeError(),
      runtime.getRuntimeError().getAllocator());
  // Add Pointer::NULL as a constant
  Pointer nullPointer = new Pointer(runtime, pointerClass, new NullMemoryIO(runtime));
  pointerClass.setConstant("NULL", nullPointer);
  
  runtime.getNilClass().addMethod("to_ptr", new NilToPointerMethod(runtime.getNilClass(), nullPointer));
  return pointerClass;
}

代码示例来源：origin: org.jruby/jruby-complete

public static RubyClass createPointerClass(Ruby runtime, RubyModule module) {
  RubyClass pointerClass = module.defineClassUnder("Pointer",
      module.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS),
      Options.REIFY_FFI.load() ? new ReifyingAllocator(Pointer.class) : PointerAllocator.INSTANCE);
  pointerClass.defineAnnotatedMethods(Pointer.class);
  pointerClass.defineAnnotatedConstants(Pointer.class);
  pointerClass.setReifiedClass(Pointer.class);
  pointerClass.kindOf = new RubyModule.KindOf() {
    @Override
    public boolean isKindOf(IRubyObject obj, RubyModule type) {
      return obj instanceof Pointer && super.isKindOf(obj, type); 
    }
  };
  module.defineClassUnder("NullPointerError", runtime.getRuntimeError(),
      runtime.getRuntimeError().getAllocator());
  // Add Pointer::NULL as a constant
  Pointer nullPointer = new Pointer(runtime, pointerClass, new NullMemoryIO(runtime));
  pointerClass.setConstant("NULL", nullPointer);
  
  runtime.getNilClass().addMethod("to_ptr", new NilToPointerMethod(runtime.getNilClass(), nullPointer, "to_ptr"));
  return pointerClass;
}

代码示例来源：origin: org.jruby/jruby-core

public static RubyClass createPointerClass(Ruby runtime, RubyModule module) {
  RubyClass pointerClass = module.defineClassUnder("Pointer",
      module.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS),
      Options.REIFY_FFI.load() ? new ReifyingAllocator(Pointer.class) : PointerAllocator.INSTANCE);
  pointerClass.defineAnnotatedMethods(Pointer.class);
  pointerClass.defineAnnotatedConstants(Pointer.class);
  pointerClass.setReifiedClass(Pointer.class);
  pointerClass.kindOf = new RubyModule.KindOf() {
    @Override
    public boolean isKindOf(IRubyObject obj, RubyModule type) {
      return obj instanceof Pointer && super.isKindOf(obj, type); 
    }
  };
  module.defineClassUnder("NullPointerError", runtime.getRuntimeError(),
      runtime.getRuntimeError().getAllocator());
  // Add Pointer::NULL as a constant
  Pointer nullPointer = new Pointer(runtime, pointerClass, new NullMemoryIO(runtime));
  pointerClass.setConstant("NULL", nullPointer);
  
  runtime.getNilClass().addMethod("to_ptr", new NilToPointerMethod(runtime.getNilClass(), nullPointer, "to_ptr"));
  return pointerClass;
}

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