Class FlowableCombineLatest.CombineLatestCoordinator<T,R>

java.lang.Object
java.lang.Number
java.util.concurrent.atomic.AtomicInteger
io.reactivex.rxjava3.internal.subscriptions.BasicIntQueueSubscription<R>
io.reactivex.rxjava3.internal.operators.flowable.FlowableCombineLatest.CombineLatestCoordinator<T,R>
All Implemented Interfaces:
QueueFuseable<R>, QueueSubscription<R>, SimpleQueue<R>, Serializable, org.reactivestreams.Subscription
Enclosing class:
FlowableCombineLatest<T,R>

static final class FlowableCombineLatest.CombineLatestCoordinator<T,R> extends BasicIntQueueSubscription<R>
  • Field Details

  • Constructor Details

    • CombineLatestCoordinator

      CombineLatestCoordinator(org.reactivestreams.Subscriber<? super R> actual, Function<? super Object[],? extends R> combiner, int n, int bufferSize, boolean delayErrors)
  • Method Details

    • request

      public void request(long n)
    • cancel

      public void cancel()
    • subscribe

      void subscribe(org.reactivestreams.Publisher<? extends T>[] sources, int n)
    • innerValue

      void innerValue(int index, T value)
    • innerComplete

      void innerComplete(int index)
    • innerError

      void innerError(int index, Throwable e)
    • drainOutput

      void drainOutput()
    • drainAsync

      void drainAsync()
    • drain

      void drain()
    • checkTerminated

      boolean checkTerminated(boolean d, boolean empty, org.reactivestreams.Subscriber<?> a, SpscLinkedArrayQueue<?> q)
    • cancelAll

      void cancelAll()
    • requestFusion

      public int requestFusion(int requestedMode)
      Description copied from interface: QueueFuseable
      Request a fusion mode from the upstream.

      This should be called before onSubscribe returns.

      Calling this method multiple times or after onSubscribe finished is not allowed and may result in undefined behavior.

      Parameters:
      requestedMode - the requested fusion mode, allowed values are QueueFuseable.SYNC, QueueFuseable.ASYNC, QueueFuseable.ANY combined with QueueFuseable.BOUNDARY (e.g., requestFusion(SYNC | BOUNDARY)).
      Returns:
      the established fusion mode: QueueFuseable.NONE, QueueFuseable.SYNC, QueueFuseable.ASYNC.
    • poll

      @Nullable public R poll() throws Throwable
      Description copied from interface: SimpleQueue
      Tries to dequeue a value (non-null) or returns null if the queue is empty.

      If the producer uses SimpleQueue.offer(Object, Object) and when polling in pairs, if the first poll() returns a non-null item, the second poll() is guaranteed to return a non-null item as well.

      Returns:
      the item or null to indicate an empty queue
      Throws:
      Throwable - if some pre-processing of the dequeued item (usually through fused functions) throws.
    • clear

      public void clear()
      Description copied from interface: SimpleQueue
      Removes all enqueued items from this queue.
    • isEmpty

      public boolean isEmpty()
      Description copied from interface: SimpleQueue
      Returns true if the queue is empty.

      Note however that due to potential fused functions in SimpleQueue.poll() it is possible this method returns false but then poll() returns null because the fused function swallowed the available item(s).

      Returns:
      true if the queue is empty