Don't forget that the field is public in class A...
On Fri, Sep 20, 2013 at 12:42 PM, Jozsef Hegedus <jhegedu...@gmail.com>wrote:
> On 20.9.2013 20.39, Andy Clement wrote:
>
> 1) I have a java class A with has no fields
>
> class A {
> }
>
> 2) I use an aspect to introduce a field called f into A
>
> aspect X {
> public int A.f = 42;
> }
>
> 3) I can use f in A as if f were hard coded (in the java source) into A.
>
> new version of A:
>
> class A {
> public static void main(String []argv) {
> A a = new A();
> System.out.println(a.f);
> a.f=100;
> System.out.println(a.f);
> }
> }
>
> ajc -1.5 A.java X.java
> java A
> 42
> 100
>
> What makes this work is that the ITD is PUBLIC (public int A.f = 42).
> You have to be compiling the system using ajc and not javac.
>
> cheers,
> Andy
>
>
> On 20 September 2013 08:04, Jozsef Hegedus <jhegedu...@gmail.com> wrote:
>
>> Hi,
>>
>> I think it is not possible to do the following with AspectJ but maybe I
>> am wrong :
>>
>> 1) I have a java class A which has no fields.
>> 2) I use an aspect to introduce a field called f into A.
>> 3) I can use f in A as if f were hard coded (in the java source) into A.
>>
>> Is this possible ?
>> I know it is possible to something similar by providing default
>> implementations
>> for interfaces but that is not my question (interfaces can only have
>> final fields).
>>
>> Cheers,
>>
>> Jozsef
>> _______________________________________________
>> aspectj-users mailing list
>> aspectj-users@eclipse.org
>> https://dev.eclipse.org/mailman/listinfo/aspectj-users
>>
>
>
>
> _______________________________________________
> aspectj-users mailing
> listaspectj-users@eclipse.orghttps://dev.eclipse.org/mailman/listinfo/aspectj-users
>
> Thank you Andy !
>
> Jozsef
>
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>
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