@Override
protected long runDisruptorPass() throws Exception {
CountDownLatch latch = new CountDownLatch(1);
fizzBuzzHandler.reset(latch, batchProcessorFizzBuzz.getSequence().get() + ITERATIONS);
executor.submit(batchProcessorFizz);
executor.submit(batchProcessorBuzz);
executor.submit(batchProcessorFizzBuzz);
long start = System.currentTimeMillis();
for (long i = 0; i < ITERATIONS; i++) {
long sequence = ringBuffer.next();
ringBuffer.get(sequence).setValue(i);
ringBuffer.publish(sequence);
}
latch.await();
long opsPerSecond = (ITERATIONS * 1000L) / (System.currentTimeMillis() - start);
batchProcessorFizz.halt();
batchProcessorBuzz.halt();
batchProcessorFizzBuzz.halt();
Assert.assertEquals(expectedResult, fizzBuzzHandler.getFizzBuzzCounter());
return opsPerSecond;
}
private void consumeBatchToCursor(long cursor, EventHandler<Object> handler) {
for (long curr = _consumer.get() + 1; curr <= cursor; curr++) {
try {
MutableObject mo = _buffer.get(curr);
Object o = mo.o;
mo.setObject(null);
if (o == FLUSH_CACHE) {
Object c = null;
while (true) {
c = _cache.poll();
if (c == null) break;
else handler.onEvent(c, curr, true);
}
} else if (o == INTERRUPT) {
throw new InterruptedException("Disruptor processing interrupted");
} else {
handler.onEvent(o, curr, curr == cursor);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
// TODO: only set this if the consumer cursor has changed?
_consumer.set(cursor);
}
public void onData(ByteBuffer bb) {
long sequence = ringBuffer.next(); // Grab the next sequence
try {
LongEvent event = ringBuffer.get(sequence); // Get the entry in the Disruptor for the sequence
event.set(bb.getLong(0)); // Fill with data
} finally {
ringBuffer.publish(sequence);
}
}
public void pushData(ByteBuffer bb) {
long sequence = ringBuffer.next();
try {
PCData event = ringBuffer.get(sequence);
event.setData(bb.getLong(0));
} finally {
ringBuffer.publish(sequence);
}
}
public void run() {
// Publishers claim events in sequence
long sequence = ringBuffer.next();
ValueEvent event = ringBuffer.get(sequence);
for (int i = 0; i < 3000; i++) {
event.setValue(i); // this could be more complex with multiple fields
// make the event available to EventProcessors
ringBuffer.publish(sequence);
}
}
public void put(Object member, List<Record> records) throws AnalyticsException {
RingBuffer<RecordsHolder> buffer = this.getRingBuffer(member);
long sequence = buffer.next();
try {
RecordsHolder event = buffer.get(sequence);
event.setRecords(records);
} finally {
buffer.publish(sequence);
}
}
private void prefillArgumentHolderObjects(
final RingBuffer<ProxyMethodInvocation> ringBuffer,
final ArgumentHolderGenerator argumentHolderGenerator) {
final int bufferSize = ringBuffer.getBufferSize();
for (int i = 0; i < bufferSize; i++) {
ringBuffer
.get(i)
.setArgumentHolder(
(Resetable) instantiate(argumentHolderGenerator.getGeneratedClass(), new Class[] {}));
}
}
private void publishDirect(Object obj, boolean block) throws InsufficientCapacityException {
final long id;
if (block) {
id = _buffer.next();
} else {
id = _buffer.tryNext(1);
}
final MutableObject m = _buffer.get(id);
m.setObject(obj);
_buffer.publish(id);
}
private boolean send(RingBuffer<byte[]> ringBuffer) {
if (ringBuffer.hasAvailableCapacity(1)) {
long next = ringBuffer.next();
byte[] event = ringBuffer.get(next);
System.arraycopy(input, 0, event, 0, event.length);
ringBuffer.publish(next);
return true;
} else {
errorCount++;
return false;
}
}
@Override
public void run() {
try {
cyclicBarrier.await();
for (long i = 0; i < iterations; i++) {
long sequence = ringBuffer.next();
ValueEvent event = ringBuffer.get(sequence);
event.setValue(i);
ringBuffer.publish(sequence);
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
public void publish(Object obj, boolean block) throws InsufficientCapacityException {
if (consumerStartedFlag) {
final long id;
if (block) {
id = _buffer.next();
} else {
id = _buffer.tryNext(1);
}
final MutableObject m = _buffer.get(id);
m.setObject(obj);
_buffer.publish(id);
} else {
_cache.add(obj);
if (consumerStartedFlag) flushCache();
}
}
public void engage() {
// starts WorkerPool workers in separate thread(s)
RingBuffer<DemoEvent> ringBuf = workerPool.start(execService);
// publish lots of events
for (int i = 0; i < 5 * NUM_WORKERS; i++) {
long seq = ringBuf.next();
ringBuf.get(seq).setProcessId(i);
ringBuf.publish(seq);
// try it with and without the sleep
// try { Thread.sleep(33); } catch (Exception e) { }
}
// wait until all published events are processed, then stop the workers
workerPool.drainAndHalt();
}
@SuppressWarnings("unchecked")
public void run() {
try {
if (cyclicBarrier != null) cyclicBarrier.await();
for (int i = 0; i < howmany; i++) {
long seq = ringBuf.next();
DemoEvent ev = ringBuf.get(seq);
// each event will have the pubcount in processId
// and the name of the publisher it came from in the Name field
ev.setProcessId(i);
ev.setName("Published by DemoPublisher #" + id);
System.out.printf("Published by DemoPublisher #%d; procId: %d; slot: %d\n", id, i, seq);
ringBuf.publish(seq);
if (should_pause_b)
try {
Thread.sleep(8);
} catch (Exception e) {
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
