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import java.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME)
@interface Colored { String color(); }
public class CallAnnBinding {
public static void main(String[]argv) {
new CallAnnBinding().m1();
new CallAnnBinding().m2();
new CallAnnBinding().m3();
}
@Colored(color="red")
public void m1() {
System.err.println("method1");
}
@Colored(color="green")
public void m2() {
System.err.println("method2");
}
@Colored(color="blue")
public void m3() {
System.err.println("method3");
}
}
aspect X {
int i = 0;
before(Colored c): call(* *(..)) && !within(X) && @annotation(c) {
i++;
if (i==1 && !c.color().equals("red")) throw new RuntimeException("First time through should be red, but is "+c.color());
if (i==2 && !c.color().equals("green")) throw new RuntimeException("Second time through should be green, but is "+c.color());
if (i==3 && !c.color().equals("blue")) throw new RuntimeException("Third time through should be blue, but is "+c.color());
System.err.println(c.color());
}
}
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