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Re: [aspectj-users] passing an extra parameter to existing method s
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Hi -
Vankeirsbilck, Rudi. (BE - Merelbeke) wrote:
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.
Consider wrapping the collection with a synchronized variant:
aspect A {
void around(Collection original) : within(com.company..*) &&
set(Collection *) && args(original) {
proceed(Collections.synchronizedCollection(original));
}
}
Wes
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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