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// trying to put annotations on that correctly use @Target
import java.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) @interface MethodColoring { String value(); }
@Retention(RetentionPolicy.RUNTIME) @Target(ElementType.CONSTRUCTOR) @interface CtorColoring { String value(); }
public aspect RightTarget {
declare @method: public void m1(..) : @MethodColoring("red");
declare @constructor: public new(int) : @CtorColoring("red");
}
aspect X {
before(): call(* *(..)) && @annotation(MethodColoring) {
System.err.println("Colored method call at "+thisJoinPoint);
}
before(): call(new(..)) && @annotation(CtorColoring) {
System.err.println("Colored ctor call at "+thisJoinPoint);
}
}
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