private static void sendMessages(int tradeCount, Queue<Trade> queue) {
final SendQueue<Trade> tradeSendQueue = queue.sendQueue();
for (int c = 1; c < tradeCount + 1; c++) {
tradeSendQueue.send(new Trade("ibm", 100L));
}
tradeSendQueue.flushSends();
}
private static void run(
int runs,
int tradeCount,
final int batchSize,
int checkEvery,
int numThreads,
boolean forceLinkTransferQueue,
int subscriberCount)
throws InterruptedException {
final QueueBuilder queueBuilder =
QueueBuilder.queueBuilder().setName("trades").setBatchSize(batchSize).setSize(1_000_000);
if (checkEvery > 0 || forceLinkTransferQueue) {
queueBuilder.setLinkTransferQueue();
queueBuilder.setCheckEvery(checkEvery);
}
final Queue<Trade> queue = queueBuilder.build();
final AtomicLong tradeCounterReceived = new AtomicLong();
final AtomicLong tradeCounterSent = new AtomicLong();
final int totalTradeCount = tradeCount * numThreads;
final QueueToStreamRoundRobin<Trade> stream = new QueueToStreamRoundRobin<>(queue);
for (int s = 0; s < subscriberCount; s++) {
stream.subscribe(
new Subscriber<Trade>() {
int count = batchSize / subscriberCount;
Subscription subscription;
@Override
public void onSubscribe(Subscription s) {
subscription = s;
s.request(count);
}
@Override
public void onNext(Trade trade) {
tradeCounterReceived.incrementAndGet();
trade.getName();
trade.getAmount();
count--;
if (count == 0) {
count = batchSize / subscriberCount;
subscription.request(count);
}
}
@Override
public void onError(Throwable t) {}
@Override
public void onComplete() {}
});
}
final long startRun = System.currentTimeMillis();
for (int r = 0; r < runs; r++) {
List<Thread> threads = new ArrayList<>(numThreads);
tradeCounterReceived.set(0L);
tradeCounterSent.set(0L);
for (int t = 0; t < numThreads; t++) {
Thread thread =
new Thread(
() -> {
sendMessages(tradeCount, queue);
});
thread.start();
threads.add(thread);
}
for (int index = 0; index < 100000; index++) {
Sys.sleep(10);
if (tradeCounterReceived.get() >= totalTradeCount) {
break;
}
}
}
System.out.printf(
"DONE PUB traded %,d in %d batchSize = %,d, checkEvery = %,d, threads=%d\n",
tradeCount * runs * numThreads,
System.currentTimeMillis() - startRun,
batchSize,
checkEvery,
numThreads);
queue.stop();
}