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## org.springframework.aop
Interface ProxyMethodInvocation

All Superinterfaces:
  Invocation, Joinpoint, MethodInvocation

All Known Implementing Classes:
  ReflectiveMethodInvocation

    public interface ProxyMethodInvocation

extends MethodInvocation

Extension of the AOP Alliance `MethodInvocation` interface, allowing access to the proxy that the method invocation was made through.

Useful to be able to substitute return values with the proxy, if necessary, for example if the invocation target returned itself.

Since:
  1.1.3
Author:
  Juergen Hoeller, Adrian Colyer
See Also:
  `ReflectiveMethodInvocation`, `DelegatingIntroductionInterceptor`

Method Summary
`Object` | `getProxy()` Return the proxy that this method invocation was made through.
`Object` | `getUserAttribute(String key)` Return the value of the specified user attribute.
`MethodInvocation` | `invocableClone()` Create a clone of this object.
`MethodInvocation` | `invocableClone(Object[] arguments)` Create a clone of this object.
`void` | `setArguments(Object[] arguments)` Set the arguments to be used on subsequent invocations in the any advice in this chain.
`void` | `setUserAttribute(String key, Object value)` Add the specified user attribute with the given value to this invocation.

Methods inherited from interface org.aopalliance.intercept.MethodInvocation
`getMethod`

Methods inherited from interface org.aopalliance.intercept.Invocation
`getArguments`

Methods inherited from interface org.aopalliance.intercept.Joinpoint
`getStaticPart, getThis, proceed`

Method Detail

### getProxy

    Object getProxy()

  Return the proxy that this method invocation was made through.

  Returns:
    the original proxy object

### invocableClone

    MethodInvocation invocableClone()

  Create a clone of this object. If cloning is done before `proceed()` is invoked on this object, `proceed()` can be invoked once per clone to invoke the joinpoint (and the rest of the advice chain) more than once.

  Returns:
    an invocable clone of this invocation. `proceed()` can be called once per clone.

### invocableClone

    MethodInvocation invocableClone(Object[] arguments)

  Create a clone of this object. If cloning is done before `proceed()` is invoked on this object, `proceed()` can be invoked once per clone to invoke the joinpoint (and the rest of the advice chain) more than once.

  Parameters:
    `arguments` - the arguments that the cloned invocation is supposed to use, overriding the original arguments
  Returns:
    an invocable clone of this invocation. `proceed()` can be called once per clone.

### setArguments

    void setArguments(Object[] arguments)

  Set the arguments to be used on subsequent invocations in the any advice in this chain.

  Parameters:
    `arguments` - the argument array

### setUserAttribute

    void setUserAttribute(String key,
                          Object value)

  Add the specified user attribute with the given value to this invocation.

  Such attributes are not used within the AOP framework itself. They are just kept as part of the invocation object, for use in special interceptors.

  Parameters:
    `key` - the name of the attribute
    `value` - the value of the attribute, or `null` to reset it

### getUserAttribute

    Object getUserAttribute(String key)

  Return the value of the specified user attribute.

  Parameters:
    `key` - the name of the attribute
  Returns:
    the value of the attribute, or `null` if not set
  See Also:
    `setUserAttribute(java.lang.String, java.lang.Object)`

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