[aspectj-users] Parameters

["DiFrango, Ron" <ron.difrango@xxxxxxxxxxxxxx>]

All,

I could not find an answer to this in any of the old postings.  I have
methods that take a common parameter.  The problem is that depending on the
method call this parameter may be listed anywhere in the method signature.
So for example:

	public class ParametersInMethodCalls
	{
		public void example1(ClassX x, double I, String s)
		{
		}

		public void example2(int I, ClassX x, double d)
		{
		}

		public void example2(float I, String s, ClassX x)
		{
		}
	}

My question is can I define a pointcuts that picks out all the above
combinations without having to "code if you will" the different permutations
possible?  I have tried the following examples/permutations:

	pointcut examples(ClassX x) : 
		execution(public * ParametersInMethodCalls.*(..))
		&& args(.., x);

	==> Afected example2

	pointcut examples(ClassX x) : 
		execution(public * ParametersInMethodCalls.*(..))
		&& args(x, ..);

	==> Afected example1

	pointcut examples(ClassX x) : 
		execution(public * ParametersInMethodCalls.*(..))
		&& args(*, x);

	==> Affect nothing

The important thing to note is that all the methods I want to pick out have
the common input of ClassX, but there is an indeterminate number of other
parameters to these methods.  Furthermore, I would prefer to avoid having to
change the underlying code as it affects a large body of code.

Thanks in advance,

Ron DiFrango
 
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