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- import java.lang.annotation.*;
-
- @Retention(RetentionPolicy.RUNTIME)
- @interface Colored { String color(); }
-
- public class AdviceExecBinding {
- public static void main(String[]argv) {
- m1();
- m2();
- m3();
- X.verifyRun();
- }
-
- static void m1() {}
- static void m2() {}
- static void m3() {}
- }
-
- aspect B {
- @Colored(color="orange") before(): execution(* m1()) {}
- @Colored(color="yellow") before(): execution(* m2()) {}
- @Colored(color="brown") before(): execution(* m3()) {}
- }
-
- aspect X {
-
- // Expected color order
- static String exp[] = new String[]{"orange","yellow","brown"};
-
- static int i = 0; // Count of advice executions
-
- before(Colored c): adviceexecution() && within(B) && @annotation(c) {
- System.err.println(thisJoinPoint+" color="+c.color());
- if (!c.color().equals(exp[i])) throw new RuntimeException("not "+exp[i]+"? "+c.color());
- i++;
- }
-
- public static void verifyRun() {
- if (X.i != exp.length)
- throw new RuntimeException("Expected "+exp.length+" advice runs but did "+X.i);
- }
- }
-
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