Re: RE: [aspectj-users] passing an extra parameter to existing method s

[<a@xxxxxxxxxxxxxxx>]

Hi,
I am not sure, that I know what you want. ...

but for syncronisation you might want to do:

Object around(): pc(){
synchronized(thisJoinpoint.getTarget()){
   return proceed();
}
}

However there are several ways to add "context" to functions. One way
would be the "old" whormhole pattern. (Using aspects as context
container, (declared as percflow))

You might want to consider to get some AspectJ consulting services,
which I do provide, based on my nearly 4 years of experience with
AspectJ in commercial projects.

If you are interested, please let me know.
Tel. +49/ 177 5969585

kind regards
   Arno Schmidmeier

"Vankeirsbilck, Rudi. (BE - Merelbeke)" <ruvankeirsbilck@xxxxxx> schrieb
am 10.07.2003, 16:24:27:
> Mark,
>  
> I was also looking into something where pattern-based method
> introduction would be usefull. I was trying to code an aspect that would
> enhance the methods of Collection to make every Collection synchronized.
> Could be usefull if you suddently find your components running in
> multiple threads and you don't want to change all your Collections to
> Vector or Hashtable because the same components are being used in
> another application that is not multi-threaded.
>  
> Rudi.
> 
> 	-----Original Message-----
> 	From: Volkmann, Mark [mailto:Mark.Volkmann@xxxxxxxxxxxxx] 
> 	Sent: donderdag 10 juli 2003 15:46
> 	To: 'aspectj-users@xxxxxxxxxxx'
> 	Subject: RE: [aspectj-users] passing an extra parameter to
> existing method s
> 	
> 	
> 	I think what I want is a pattern-based form of method
> introduction ... unless there is another approach that would provide
> this same thing.
> 
> 		-----Original Message-----
> 		From: Volkmann, Mark 
> 		Sent: Wednesday, July 09, 2003 2:11 PM
> 		To: 'aspectj-users@xxxxxxxxxxx'
> 		Subject: [aspectj-users] passing an extra parameter to
> existing methods
> 		
> 		
> 
> 		Is there a way I could do the following with AspectJ? 
> 
> 		I want to add methods to several classes that wrap
> existing methods and add an additional parameter. 
> 		Then I want to use around advice to make calls to the
> original methods go to the new methods and add the new parameter. 
> 
> 		For example, the deposit method in my Account class
> looks like this. 
> 
> 		public void deposit(double amount) { 
> 		    balance += amount; 
> 		} 
> 
> 		I want to add the following. 
> 
> 		public void deposit(Context context, double amount) { 
> 		    deposit(amount); 
> 		    // Do something with the context parameter here. 
> 		} 
> 
> 		Then all calls to the original deposit method should go
> to the new one. 
> 
> 		I know how to do this for individual methods, but I'm
> looking for a way to do this to many methods in the Account class
> without having to write the code for each of them in my aspect.
> 
> 		
> 		
> 	
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