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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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