com.lonniepryor.blues.aop
Interface Around

public interface Around

Interface that describes the behavour of advice that executes around the invocation of a join point.

Version:

$Revision: 1.1 $

Author:

Lonnie Pryor

Nested Class Summary

static interface

Around.InvoctionChain Passed to around() to represent the next element in the chain used to invoke a join point.

Method Summary

java.lang.Object

around(java.lang.Object target, java.lang.reflect.Method method, java.lang.Object[] params, Around.InvoctionChain chain) Called before the invocation of a join point.

Method Detail

around

public java.lang.Object around(java.lang.Object target,
                               java.lang.reflect.Method method,
                               java.lang.Object[] params,
                               Around.InvoctionChain chain)
                        throws java.lang.Throwable

Called before the invocation of a join point. Calling invokeNext() on the supplied invocation chain will propagate the invocation to the target object and return the result of the underlying method call.

Parameters:

method - The method that was invoked.

target - The object the invocation occurred on.

params - The parameters passed to the method.

chain - The chain of around advice to propagate invocations to.

Returns:

The value to be returned by the join point invocation.

Throws:

java.lang.Throwable - If an error occurrs.