public List<T> runDuel(final DuelExecutor<T> executor, int iterations, int numTasks)
throws InterruptedException, ExecutionException {
List<T> results = new ArrayList<T>();
T firstRun = executor.run();
results.add(firstRun);
for (int i = 0; i < 3; i++) {}
final CountDownLatch latch = new CountDownLatch(1);
final AtomicLong count = new AtomicLong(iterations);
List<Future<List<T>>> futures = new ArrayList<Future<List<T>>>();
for (int i = 0; i < numTasks; i++) {
futures.add(
pool.submit(
new Callable<List<T>>() {
@Override
public List<T> call() throws Exception {
List<T> results = new ArrayList<T>();
latch.await();
while (count.decrementAndGet() >= 0) {
results.add(executor.run());
}
return results;
}
}));
}
latch.countDown();
for (Future<List<T>> future : futures) {
results.addAll(future.get());
}
return results;
}
public void duel(
DuelJudge<T> judge, final DuelExecutor<T> executor, int iterations, int threadCount)
throws InterruptedException, ExecutionException {
T firstRun = executor.run();
List<T> runDuel = runDuel(executor, iterations, threadCount);
for (T t : runDuel) {
judge.judge(firstRun, t);
}
}