@Test
public void fizzTest() throws Throwable {
int numOfItems = 1024;
int batchSize = 8;
final Timer timer = new Timer();
AtomicLong globalCounter = new AtomicLong();
CountDownLatch latch = new CountDownLatch(1);
Control c =
Streams.createWith(
(demand, subscriber) -> {
System.out.println("demand is " + demand);
if (!subscriber.isCancelled()) {
for (int i = 0; i < demand; i++) {
long curr = globalCounter.incrementAndGet();
if (curr % 5 == 0 && curr % 3 == 0) subscriber.onNext("FizBuz \r\n");
else if (curr % 3 == 0) subscriber.onNext("Fiz ");
else if (curr % 5 == 0) subscriber.onNext("Buz ");
else subscriber.onNext(String.valueOf(curr) + " ");
if (globalCounter.get() > numOfItems) {
subscriber.onComplete();
return;
}
}
}
})
.flatMap(
(s) ->
Streams.withOverflowSupport(
(sub) ->
timer.schedule(
new TimerTask() {
@Override
public void run() {
sub.onNext(s);
sub.onComplete();
}
},
10)))
.capacity(batchSize)
.log()
// .observe(System.out::print)
.consume(numOfItems);
while (c.isPublishing()) ;
}
@Test
public void indexBugTest() throws InterruptedException {
int numOfItems = 20;
Environment.initializeIfEmpty();
// this line causes an java.lang.ArrayIndexOutOfBoundsException unless there is a break point in
// ZipAction.createSubscriber()
RingBufferProcessor<String> ring = RingBufferProcessor.create("test", 1024);
// this line works
// Broadcaster<String> ring = Broadcaster.create(Environment.get());
Stream<String> stream = Streams.wrap(ring);
Stream<String> stream2 =
stream
.zipWith(
Streams.createWith(
(d, s) -> {
for (int i = 0; i < d; i++) {
s.onNext(System.currentTimeMillis());
}
}),
t -> String.format("%s : %s", t.getT2(), t.getT1()))
.observeError(
Throwable.class,
(o, t) -> {
System.err.println(t.toString());
t.printStackTrace();
});
Promise<List<String>> p = stream2.observe(System.out::println).buffer(numOfItems).next();
for (int curr = 0; curr < numOfItems; curr++) {
if (curr % 5 == 0 && curr % 3 == 0) ring.onNext("FizBuz");
else if (curr % 3 == 0) ring.onNext("Fiz");
else if (curr % 5 == 0) ring.onNext("Buz");
else ring.onNext(String.valueOf(curr));
}
p.await();
}
