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import java.lang.annotation.Target;
import java.lang.annotation.ElementType;
@Target({ElementType.METHOD, ElementType.FIELD})
@interface MethodAndFieldAnnotation{}
@Target({ElementType.TYPE, ElementType.METHOD})
@interface TypeAndMethodAnnotation{}
public class MoreThanOneTargetAnnotation {
public void method1() {}
int field = 1;
}
aspect A {
// shouldn't get an xlint message because @MethodAndFieldAnnotation
// can be applied to methods and fields
pointcut pc1() : execution(@MethodAndFieldAnnotation * *(..));
declare warning : pc1() : "pc1()";
// should get an xlint message because can only have the target
// ElementType.TYPE as a return type
pointcut pc2() : execution((@MethodAndFieldAnnotation *) *(..));
declare warning : pc2() : "pc2()";
// shouldn't get an xlint message because can have the target
// ElementType.TYPE as a return type
pointcut pc3() : execution((@TypeAndMethodAnnotation *) *(..));
declare warning : pc3() : "pc3()";
// should get an xlint message because @TypeAndMethodAnnotation
// can only be applied to types and methods, not fields
pointcut pc4() : set(@TypeAndMethodAnnotation int *);
declare warning : pc4() : "pc4()";
}
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