Package io.reactivex.rxjava3.internal.subscribers

Class StrictSubscriber<T>

  • Type Parameters:
    T - the value type
    All Implemented Interfaces:
    FlowableSubscriber<T>, java.io.Serializable, org.reactivestreams.Subscriber<T>, org.reactivestreams.Subscription
    public class StrictSubscriber<T>
extends java.util.concurrent.atomic.AtomicInteger
implements FlowableSubscriber<T>, org.reactivestreams.Subscription
    Ensures that the event flow between the upstream and downstream follow the Reactive-Streams 1.0 specification by honoring the 3 additional rules (which are omitted in standard operators due to performance reasons).
    • §1.3: onNext should not be called concurrently until onSubscribe returns
    • §2.3: onError or onComplete must not call cancel
    • §3.9: negative requests should emit an onError(IllegalArgumentException)
    In addition, if rule §2.12 (onSubscribe must be called at most once) is violated, the sequence is cancelled an onError(IllegalStateException) is emitted.
    Since:
    2.0.7
    See Also:
    Serialized Form

    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) boolean done  
      (package private) org.reactivestreams.Subscriber<? super T> downstream  
      (package private) AtomicThrowable error  
      (package private) java.util.concurrent.atomic.AtomicBoolean once  
      (package private) java.util.concurrent.atomic.AtomicLong requested  
      private static long serialVersionUID  
      (package private) java.util.concurrent.atomic.AtomicReference<org.reactivestreams.Subscription> upstream  

    • Constructor Summary

      Constructors 
      Constructor Description
      StrictSubscriber​(org.reactivestreams.Subscriber<? super T> downstream)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void cancel()  
      void onComplete()  
      void onError​(java.lang.Throwable t)  
      void onNext​(T t)  
      void onSubscribe​(org.reactivestreams.Subscription s)
      Implementors of this method should make sure everything that needs to be visible in Subscriber.onNext(Object) is established before calling Subscription.request(long).
      void request​(long n)  

      • Methods inherited from class java.util.concurrent.atomic.AtomicInteger

        accumulateAndGet, addAndGet, compareAndExchange, compareAndExchangeAcquire, compareAndExchangeRelease, compareAndSet, decrementAndGet, doubleValue, floatValue, get, getAcquire, getAndAccumulate, getAndAdd, getAndDecrement, getAndIncrement, getAndSet, getAndUpdate, getOpaque, getPlain, incrementAndGet, intValue, lazySet, longValue, set, setOpaque, setPlain, setRelease, toString, updateAndGet, weakCompareAndSet, weakCompareAndSetAcquire, weakCompareAndSetPlain, weakCompareAndSetRelease, weakCompareAndSetVolatile

      • Methods inherited from class java.lang.Number

        byteValue, shortValue

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Field Detail

      • downstream

        final org.reactivestreams.Subscriber<? super T> downstream

      • requested

        final java.util.concurrent.atomic.AtomicLong requested

      • upstream

        final java.util.concurrent.atomic.AtomicReference<org.reactivestreams.Subscription> upstream

      • once

        final java.util.concurrent.atomic.AtomicBoolean once

      • done

        volatile boolean done

    • Constructor Detail

      • StrictSubscriber

        public StrictSubscriber​(org.reactivestreams.Subscriber<? super T> downstream)

    • Method Detail

      • request

        public void request​(long n)
        Specified by:
        request in interface org.reactivestreams.Subscription

      • cancel

        public void cancel()
        Specified by:
        cancel in interface org.reactivestreams.Subscription

      • onSubscribe

        public void onSubscribe​(org.reactivestreams.Subscription s)
        Description copied from interface: FlowableSubscriber
        Implementors of this method should make sure everything that needs to be visible in Subscriber.onNext(Object) is established before calling Subscription.request(long). In practice this means no initialization should happen after the request() call and additional behavior is thread safe in respect to onNext.
        Specified by:
        onSubscribe in interface FlowableSubscriber<T>
        Specified by:
        onSubscribe in interface org.reactivestreams.Subscriber<T>

      • onNext

        public void onNext​(T t)
        Specified by:
        onNext in interface org.reactivestreams.Subscriber<T>

      • onError

        public void onError​(java.lang.Throwable t)
        Specified by:
        onError in interface org.reactivestreams.Subscriber<T>

      • onComplete

        public void onComplete()
        Specified by:
        onComplete in interface org.reactivestreams.Subscriber<T>