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- import org.aspectj.lang.*;
-
- public aspect Singleton {
-
- before(): execution(* Foo.*(..)) {}
-
- public static void main(String []argv) {
- print();
- new Foo().m();
- print();
- }
-
- public static void print() {
- boolean b1 = Aspects14.hasAspect(Singleton.class);
- boolean b2 = Singleton.hasAspect();
- Object o1 = (b1?Aspects14.aspectOf(Singleton.class):null);
- Object o2 = (b2?Singleton.aspectOf():null);
- System.err.println("hasAspect? "+b1+" : "+b2);
- System.err.println("aspectOf? "+o1+" : "+o2);
- }
-
- public String toString() { return "SingletonInstance"; }
- }
-
- class Foo {
- public void m() { }
- }
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