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77 lines
2.2 KiB
Java
77 lines
2.2 KiB
Java
import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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/**
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* In this test, we have multiple identical cflow() pointcut 'pieces' used in a number of
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* pointcuts. We are not naming a cflow() and reusing it, we are just duplicating the
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* pointcut in multiple places - can we share counters?
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*/
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public class CounterTest04 {
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public static void main(String []argv) {
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new CounterTest04().sayMessage();
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int ctrs = ReflectionHelper.howManyCflowCounterFields(Cflow1.aspectOf());
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// if (ctrs!=2) {
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// throw new RuntimeException("Should be two cflow counters, but found: "+ctrs);
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// }
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int stacks = ReflectionHelper.howManyCflowStackFields(Cflow1.aspectOf());
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if (stacks!=2) {
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throw new RuntimeException("Should be two cflow stacks, but found: "+stacks);
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}
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}
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public void sayMessage() {
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printmsg("Hello "); printmsg("World\n");
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}
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public void printmsg(String msg) {
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System.out.print(msg);
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}
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}
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aspect Cflow1 {
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// CflowCounter created for this pointcut should be shared below!
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pointcut p1(Object o): cflow(execution(* main(..)) && args(o));
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before(Object o): call(* print(..)) && p1(o) {
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// Managed by a CflowCounter
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}
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before(Object o): call(* print(..)) && p1(o) {
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// Managed by a CflowCounter
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}
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before(Object o): execution(* print(..)) && cflow(execution(* main(..)) && target(o)) {
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// Managed by a CflowStack - since state is exposed
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}
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}
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class ReflectionHelper {
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public static List getCflowfields(Object o,boolean includeCounters,boolean includeStacks) {
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List res = new ArrayList();
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Class clazz = o.getClass();
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Field[] fs = clazz.getDeclaredFields();
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for (int i = 0; i < fs.length; i++) {
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Field f = fs[i];
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if ((f.getType().getName().endsWith("CFlowCounter") && includeCounters) ||
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(f.getType().getName().endsWith("CFlowStack") && includeStacks)) {
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res.add(f.getType().getName()+":"+f.getName());
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}
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}
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return res;
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}
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public static int howManyCflowCounterFields(Object o) {
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return getCflowfields(o,true,false).size();
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}
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public static int howManyCflowStackFields(Object o) {
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return getCflowfields(o,false,true).size();
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}
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}
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