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import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import org.aspectj.lang.reflect.FieldSignature;
@Retention(RetentionPolicy.RUNTIME)
@interface Marker {
String message();
}
public class AnnoBinding {
public static void main(String[] argv) {
long stime = System.nanoTime();
// 10,000 or 100,000 rounds are too quick, making the test flaky on rare occasions
final int ROUNDS = 1000 * 1000;
for (int i = 0; i < ROUNDS; i++) {
runOne();
}
long etime = System.nanoTime();
long manual = (etime - stime);
stime = System.nanoTime();
for (int i = 0; i < ROUNDS; i++) {
runTwo();
}
etime = System.nanoTime();
long woven = (etime - stime);
System.out.println("woven=" + woven + " manual=" + manual);
if (woven > manual) {
throw new RuntimeException("woven=" + woven + " manual=" + manual);
}
if (X.a != X.b) {
throw new RuntimeException("a=" + X.a + " b=" + X.b);
}
}
@Marker(message = "string")
static int field1;
@Marker(message = "string")
static int field2;
public static void runOne() {
field1 = field1 * 2; // set and get jps
}
public static void runTwo() {
field1 = field1 * 2; // set and get jps
}
}
aspect X {
pointcut pManual(): withincode(* runOne(..)) && get(@Marker * *);
pointcut pWoven(Marker l): withincode(* runTwo(..)) && get(@Marker * * ) && @annotation(l);
public static int a,b;
before(): pManual() {
Marker marker = (Marker) ((FieldSignature) thisJoinPointStaticPart.getSignature()).getField().getAnnotation(Marker.class);
String s = marker.message();
a+=s.length();
}
before(Marker l): pWoven(l) {
String s = l.message();
b+=s.length();
}
}
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