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import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* In this testcase we are using cflow() with a pointcut that doesn't include state -
* this should be managed by our new CflowCounter rather than a CflowStack.
*
* Because the two cflow pointcuts are identical (both are 'cflow(execution(* main(..))' it also
* means we can share a single counter for both of them !
*/
public class CounterTest01 {
public static void main(String []argv) {
new CounterTest01().sayMessage();
int ctrs = ReflectionHelper.howManyCflowCounterFields(Cflow1.aspectOf());
if (ctrs!=1) {
throw new RuntimeException("Should be one cflow counter, but found: "+ctrs);
}
int stacks = ReflectionHelper.howManyCflowStackFields(Cflow1.aspectOf());
if (stacks!=1) {
throw new RuntimeException("Should be one cflow stacks, but found: "+stacks);
}
}
public void sayMessage() {
print("Hello ");
print("World\n");
}
public void print(String msg) {
System.out.print(msg);
}
}
aspect Cflow1 {
before(): execution(* print(..)) && cflow(execution(* main(..))) {
// Managed by a CflowCounter
}
before(): execution(* print(..)) && cflow(execution(* main(..))) {
// Managed by a CflowCounter
}
before(Object o): execution(* print(..)) && cflow(execution(* main(..)) && target(o)) {
// Managed by a CflowStack - since state is exposed
}
}
class ReflectionHelper {
public static List getCflowfields(Object o,boolean includeCounters,boolean includeStacks) {
List res = new ArrayList();
Class clazz = o.getClass();
Field[] fs = clazz.getDeclaredFields();
for (int i = 0; i < fs.length; i++) {
Field f = fs[i];
if ((f.getType().getName().endsWith("CFlowCounter") && includeCounters) ||
(f.getType().getName().endsWith("CFlowStack") && includeStacks)) {
res.add(f.getType().getName()+":"+f.getName());
}
}
return res;
}
public static int howManyCflowCounterFields(Object o) {
return getCflowfields(o,true,false).size();
}
public static int howManyCflowStackFields(Object o) {
return getCflowfields(o,false,true).size();
}
}
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