@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()) ;
}
@Override
public StreamUtils.StreamVisitor debug() {
return controls.debug();
}
@Override
public void requestMore(long n) {
controls.requestMore(n);
}
@Override
public boolean isPublishing() {
return controls.isPublishing();
}
@Override
public void cancel() {
controls.cancel();
}
@Override
public void start() {
controls.start();
}