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import org.aspectj.testing.Tester;
// aspect inheritance and advice, introduction
public class Driver {
public static void test() {
C1 c1 = new C1();
Tester.checkEqual(c1.foo(), "from A2", "sub-aspects");
Tester.checkEqual(c1.bar(),
"from A0 #2",
"sub-aspects and position");
// the around advice lexically in A1 runs twice, once for each concrete
// sub-aspects. putting advice on a concrete pointcut in an abstract
// aspect will always have this odd behavior, and possibly should be illegal
Tester.checkEqual(c1.getString(),
":A2:A1:A1:C1",
"multiple arounds");
}
public static void main(String[] args) { test(); }
}
class C1 {
String getString() {
return ":C1";
}
}
abstract aspect A1 {
String C1.foo() {
return "from A1";
}
String C1.bar() {
return "from A1";
}
String around():
call(String C1.getString()) {
return ":A1" + proceed();
}
}
aspect A2 extends A1 {
String C1.foo() {
return "from A2";
}
String around():
call(String C1.getString()) {
return ":A2" + proceed();
}
}
aspect A0 extends A1 {
// multiple conflicting declarations in the same aspect are now an error
//String C1.bar() {
// return "from A0 #1";
//}
String C1.bar() {
return "from A0 #2";
}
}
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