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import java.lang.annotation.*;
import org.aspectj.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME)
@interface SomeAnnotation {}
@SomeAnnotation
public class CaseA {
public static void main(String[]argv) {
CaseA ca = new CaseA();
((I)ca).methodOne(); // will only succeed if mixin applied
}
}
@SomeAnnotation
enum Color {R,G,B}
aspect X {
@DeclareMixin("(@SomeAnnotation *)")
public static I createImplementation() {
System.out.println("Delegate factory invoked");
return new Implementation();
}
}
interface I {
void methodOne();
}
class Implementation implements I {
public void methodOne() {
System.out.println("methodOne running");
}
}
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