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[aspectj-users] how do I define around advice that works for methods with differe nt return types.
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Hi,
I am trying to write
an around advice that applies to functions with different return types. When I
try the following, I get a compilation error "applying to join point that doesn't return
void".
public class
A
{
public int foo()
{
return
0;
}
public void bar()
{
x();
}
public void x()
{
}
};
aspect
LogExecutionTime
{
pointcut allMethods() : execution(public * A.*(..));
void around() : allMethods()
{
long
startTime = System.currentMilliSeconds();
proceed();
long time =
System.currentMilliSeconds() - startTime;
System.out.println("Time
taken by method " + thisJoinPoint.getSignature() + " " + time
"ms");
}
}
There also
seems to be a bug filed for this issue. Is it a limitation of the current
version of aspectj (I am using 1.2) which will be resolved in a later version.
Or is there a fundamental problem in supporting this. Are there any
other ways of getting this to work. It is difficult to achieve
this using a pair of before and after advices as that would require me to
maintain a stack to trace the start times.
Thanks,
Kamal.
