DefaultMethodHandle

```
@Documented
@Retention(RUNTIME)
@Target(PARAMETER)
public @interface DefaultMethodHandle
```
A parameter with this annotation is assigned an instance of java.lang.invoke.MethodHandle which invokes a default method implementation of this method. If such a method is not available, this annotation causes that this delegation target cannot be bound unless nullIfImpossible() is set to true. Note that requesting such a method exposes the default method to reflective access.

See Also:

MethodDelegation, TargetMethodAnnotationDrivenBinder

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`boolean`	`nullIfImpossible`	Indicates that `null` should be assigned to this parameter if no default method is invokable.
`java.lang.Class<?>`	`targetType`	Specifies an explicit type that declares the default method to invoke.

- Element Detail
  - targetType
```
java.lang.Class<?> targetType
```
    Specifies an explicit type that declares the default method to invoke.
    
    Returns:
    
    The type declaring the method to invoke or TargetType to indicate that the instrumented method declared the method.
    
    Default:
    
    void.class
- - nullIfImpossible
```
boolean nullIfImpossible
```
    Indicates that null should be assigned to this parameter if no default method is invokable.
    
    Returns:
    
    true if null should be assigned if no valid method can be assigned.
    
    Default:
    
    false