Java Code Examples for reactor.core.Fuseable#ASYNC

The following examples show how to use reactor.core.Fuseable#ASYNC . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: FluxPublish.java    From reactor-core with Apache License 2.0 6 votes vote down vote up 
@Override
public void onNext(T t) {
	if (done) {
		if (t != null) {
			Operators.onNextDropped(t, currentContext());
		}
		return;
	}
	if (sourceMode == Fuseable.ASYNC) {
		drain();
		return;
	}

	if (!queue.offer(t)) {
		Throwable ex = Operators.onOperatorError(s,
				Exceptions.failWithOverflow(Exceptions.BACKPRESSURE_ERROR_QUEUE_FULL), t, currentContext());
		if (!Exceptions.addThrowable(ERROR, this, ex)) {
			Operators.onErrorDroppedMulticast(ex);
			return;
		}
		done = true;
	}
	drain();
}
Example 2
Source File: FluxMetricsFuseable.java    From reactor-core with Apache License 2.0 6 votes vote down vote up 
@Override
public void onNext(T t) {
	if (this.mode == Fuseable.ASYNC) {
		actual.onNext(null);
		return;
	}

	if (done) {
		recordMalformed(commonTags, registry);
		Operators.onNextDropped(t, actual.currentContext());
		return;
	}

	//record the delay since previous onNext/onSubscribe. This also records the count.
	long last = this.lastNextEventNanos;
	this.lastNextEventNanos = clock.monotonicTime();
	this.onNextIntervalTimer.record(lastNextEventNanos - last, TimeUnit.NANOSECONDS);

	actual.onNext(t);
}
Example 3
Source File: FluxFlatMap.java    From reactor-core with Apache License 2.0 6 votes vote down vote up 
@Override
public void onSubscribe(Subscription s) {
	if (Operators.setOnce(S, this, s)) {
		if (s instanceof Fuseable.QueueSubscription) {
			@SuppressWarnings("unchecked") Fuseable.QueueSubscription<R> f =
					(Fuseable.QueueSubscription<R>) s;
			int m = f.requestFusion(Fuseable.ANY | Fuseable.THREAD_BARRIER);
			if (m == Fuseable.SYNC) {
				sourceMode = Fuseable.SYNC;
				queue = f;
				done = true;
				parent.drain(null);
				return;
			}
			if (m == Fuseable.ASYNC) {
				sourceMode = Fuseable.ASYNC;
				queue = f;
			}
			// NONE is just fall-through as the queue will be created on demand
		}
		s.request(Operators.unboundedOrPrefetch(prefetch));
	}
}
Example 4
Source File: FluxPublishMulticast.java    From reactor-core with Apache License 2.0 6 votes vote down vote up 
@Override
public void onNext(T t) {
	if (done) {
		Operators.onNextDropped(t, context);
		return;
	}

	if (sourceMode != Fuseable.ASYNC) {
		if (!queue.offer(t)) {
			onError(Operators.onOperatorError(s,
					Exceptions.failWithOverflow(Exceptions.BACKPRESSURE_ERROR_QUEUE_FULL),
					t,
					context));
			return;
		}
	}
	drain();
}
Example 5
Source File: DefaultStepVerifierBuilder.java    From reactor-core with Apache License 2.0 6 votes vote down vote up 
boolean serializeDrainAndSubscriptionEvent() {
	int missed = WIP.incrementAndGet(this);
	if (missed != 1) {
		return true;
	}
	for (; ; ) {
		if(onSubscriptionLoop()){
			return true;
		}
		if(establishedFusionMode == Fuseable.ASYNC) {
			drainAsyncLoop();
		}
		missed = WIP.addAndGet(this, -missed);
		if (missed == 0) {
			break;
		}
	}
	return false;
}
Example 6
Source File: AssertSubscriber.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
/**
 * Assert that the fusion mode was granted.
 *
 * @return this
 */
public final AssertSubscriber<T> assertFusionEnabled() {
	if (establishedFusionMode != Fuseable.SYNC && establishedFusionMode != Fuseable.ASYNC) {
		throw new AssertionError("Fusion was not enabled");
	}
	return this;
}
Example 7
Source File: EmitterProcessor.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
@SuppressWarnings("unchecked")
public void onNext(T t) {
	if (done) {
		Operators.onNextDropped(t, currentContext());
		return;
	}

	if (sourceMode == Fuseable.ASYNC) {
		drain();
		return;
	}

	Objects.requireNonNull(t, "onNext");

	Queue<T> q = queue;

	if (q == null) {
		if (Operators.setOnce(S, this, Operators.emptySubscription())) {
			q = Queues.<T>get(prefetch).get();
			queue = q;
		}
		else {
			for (; ; ) {
				if (isDisposed()) {
					return;
				}
				q = queue;
				if (q != null) {
					break;
				}
			}
		}
	}

	while (!q.offer(t)) {
		LockSupport.parkNanos(10);
	}
	drain();
}
Example 8
Source File: FluxGroupBy.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public int requestFusion(int requestedMode) {
	if ((requestedMode & Fuseable.ASYNC) != 0) {
		outputFused = true;
		return Fuseable.ASYNC;
	}
	return Fuseable.NONE;
}
Example 9
Source File: FluxGroupBy.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public int requestFusion(int requestedMode) {
	if ((requestedMode & Fuseable.ASYNC) != 0) {
		enableAsyncFusion = true;
		return Fuseable.ASYNC;
	}
	return Fuseable.NONE;
}
Example 10
Source File: FluxPublishOn.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public void onSubscribe(Subscription s) {
	if (Operators.validate(this.s, s)) {
		this.s = s;

		if (s instanceof QueueSubscription) {
			@SuppressWarnings("unchecked") QueueSubscription<T> f =
					(QueueSubscription<T>) s;

			int m = f.requestFusion(Fuseable.ANY | Fuseable.THREAD_BARRIER);

			if (m == Fuseable.SYNC) {
				sourceMode = Fuseable.SYNC;
				queue = f;
				done = true;

				actual.onSubscribe(this);
				return;
			}
			if (m == Fuseable.ASYNC) {
				sourceMode = Fuseable.ASYNC;
				queue = f;

				actual.onSubscribe(this);

				s.request(Operators.unboundedOrPrefetch(prefetch));

				return;
			}
		}

		queue = queueSupplier.get();

		actual.onSubscribe(this);

		s.request(Operators.unboundedOrPrefetch(prefetch));
	}
}
Example 11
Source File: FluxWindowPredicate.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public int requestFusion(int requestedMode) {
	if ((requestedMode & Fuseable.ASYNC) != 0) {
		enableOperatorFusion = true;
		return Fuseable.ASYNC;
	}
	return Fuseable.NONE;
}
Example 12
Source File: FluxWindowPredicate.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public int requestFusion(int requestedMode) {
	if ((requestedMode & Fuseable.ASYNC) != 0) {
		outputFused = true;
		return Fuseable.ASYNC;
	}
	return Fuseable.NONE;
}
Example 13
Source File: DefaultStepVerifierBuilder.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
static String formatFusionMode(int m) {
	switch (m) {
		case Fuseable.ANY:
			return "(any)";
		case Fuseable.SYNC:
			return "(sync)";
		case Fuseable.ASYNC:
			return "(async)";
		case Fuseable.NONE:
			return "none";
		case Fuseable.THREAD_BARRIER:
			return "(thread-barrier)";
	}
	return "" + m;
}
Example 14
Source File: FluxTake.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
@Nullable
public T poll() {
	if (done) {
		return null;
	}
	long r = remaining;
	T v = qs.poll();
	if (r == 0L) {
		done = true;
		if (inputMode == Fuseable.ASYNC) {
			qs.cancel();
			actual.onComplete();
		}
		return null;
	}


	if (v != null) {
		remaining = --r;
		if (r == 0L) {
			if (!done) {
				done = true;
				if (inputMode == Fuseable.ASYNC) {
					qs.cancel();
					actual.onComplete();
				}
			}
		}
	}

	return v;
}
Example 15
Source File: FluxConcatMap.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public void onNext(T t) {
	if (sourceMode == Fuseable.ASYNC) {
		drain();
	}
	else if (!queue.offer(t)) {
		Context ctx = actual.currentContext();
		onError(Operators.onOperatorError(s, Exceptions.failWithOverflow(Exceptions.BACKPRESSURE_ERROR_QUEUE_FULL), t,
				ctx));
		Operators.onDiscard(t, ctx);
	}
	else {
		drain();
	}
}
Example 16
Source File: EmitterProcessor.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public void onSubscribe(final Subscription s) {
	if (Operators.setOnce(S, this, s)) {
		if (s instanceof Fuseable.QueueSubscription) {
			@SuppressWarnings("unchecked") Fuseable.QueueSubscription<T> f =
					(Fuseable.QueueSubscription<T>) s;

			int m = f.requestFusion(Fuseable.ANY);
			if (m == Fuseable.SYNC) {
				sourceMode = m;
				queue = f;
				drain();
				return;
			}
			else if (m == Fuseable.ASYNC) {
				sourceMode = m;
				queue = f;
				s.request(Operators.unboundedOrPrefetch(prefetch));
				return;
			}
		}

		queue = Queues.<T>get(prefetch).get();

		s.request(Operators.unboundedOrPrefetch(prefetch));
	}
}
Example 17
Source File: DeferredScalarSubscriber.java    From akarnokd-misc with Apache License 2.0 5 votes vote down vote up 
@Override
public int requestFusion(int requestedMode) {
    if ((requestedMode & Fuseable.ASYNC) != 0) {
        outputFused = OUTPUT_NO_VALUE;
        return Fuseable.ASYNC;
    }
    return Fuseable.NONE;
}
Example 18
Source File: ParallelSource.java    From reactor-core with Apache License 2.0 5 votes vote down vote up 
@Override
public void onSubscribe(Subscription s) {
	if (Operators.validate(this.s, s)) {
		this.s = s;

		if (s instanceof Fuseable.QueueSubscription) {
			@SuppressWarnings("unchecked")
			Fuseable.QueueSubscription<T> qs = (Fuseable.QueueSubscription<T>) s;
			
			int m = qs.requestFusion(Fuseable.ANY | Fuseable.THREAD_BARRIER);
			
			if (m == Fuseable.SYNC) {
				sourceMode = m;
				queue = qs;
				done = true;
				setupSubscribers();
				drain();
				return;
			} else
			if (m == Fuseable.ASYNC) {
				sourceMode = m;
				queue = qs;
				
				setupSubscribers();
				
				s.request(Operators.unboundedOrPrefetch(prefetch));
				
				return;
			}
		}
		
		queue = queueSupplier.get();
		
		setupSubscribers();
		
		s.request(Operators.unboundedOrPrefetch(prefetch));
	}
}
Example 19
Source File: AssertSubscriber.java    From RHub with Apache License 2.0 5 votes vote down vote up 
/**
 * Assert that the fusion mode was granted.
 *
 * @return this
 */
public final AssertSubscriber<T> assertFusionEnabled() {
    if (establishedFusionMode != Fuseable.SYNC && establishedFusionMode != Fuseable.ASYNC) {
        throw new AssertionError("Fusion was not enabled");
    }
    return this;
}
Example 20
Source File: ReactorClientStreamObserverAndPublisher.java    From reactive-grpc with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Override
public int requestFusion(int requestedMode) {
    if ((requestedMode & Fuseable.ASYNC) != 0) {
        outputFused = true;
        return Fuseable.ASYNC;
    }
    return Fuseable.NONE;
}