Class SyncOnSubscribe.SubscriptionProducer<S,T>
- java.lang.Object
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- java.lang.Number
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- java.util.concurrent.atomic.AtomicLong
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- rx.observables.SyncOnSubscribe.SubscriptionProducer<S,T>
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- Type Parameters:
T
- the type of compatible Subscribers
- All Implemented Interfaces:
java.io.Serializable
,Observer<T>
,Producer
,Subscription
- Enclosing class:
- SyncOnSubscribe<S,T>
static final class SyncOnSubscribe.SubscriptionProducer<S,T> extends java.util.concurrent.atomic.AtomicLong implements Producer, Subscription, Observer<T>
Contains the producer loop that reacts to downstream requests of work.
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Field Summary
Fields Modifier and Type Field Description private Subscriber<? super T>
actualSubscriber
private boolean
hasTerminated
private boolean
onNextCalled
private SyncOnSubscribe<S,T>
parent
private static long
serialVersionUID
private S
state
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Constructor Summary
Constructors Constructor Description SubscriptionProducer(Subscriber<? super T> subscriber, SyncOnSubscribe<S,T> parent, S state)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
doUnsubscribe()
private void
fastpath()
private void
handleThrownError(Subscriber<? super T> a, java.lang.Throwable ex)
boolean
isUnsubscribed()
Indicates whether thisSubscription
is currently unsubscribed.private void
nextIteration(SyncOnSubscribe<S,T> parent)
void
onCompleted()
Notifies the Observer that theObservable
has finished sending push-based notifications.void
onError(java.lang.Throwable e)
Notifies the Observer that theObservable
has experienced an error condition.void
onNext(T value)
Provides the Observer with a new item to observe.void
request(long n)
Request a certain maximum number of items from this Producer.private void
slowPath(long n)
private boolean
tryUnsubscribe()
void
unsubscribe()
Stops the receipt of notifications on theSubscriber
that was registered when this Subscription was received.-
Methods inherited from class java.util.concurrent.atomic.AtomicLong
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
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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actualSubscriber
private final Subscriber<? super T> actualSubscriber
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parent
private final SyncOnSubscribe<S,T> parent
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onNextCalled
private boolean onNextCalled
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hasTerminated
private boolean hasTerminated
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state
private S state
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Constructor Detail
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SubscriptionProducer
SubscriptionProducer(Subscriber<? super T> subscriber, SyncOnSubscribe<S,T> parent, S state)
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Method Detail
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isUnsubscribed
public boolean isUnsubscribed()
Description copied from interface:Subscription
Indicates whether thisSubscription
is currently unsubscribed.- Specified by:
isUnsubscribed
in interfaceSubscription
- Returns:
true
if thisSubscription
is currently unsubscribed,false
otherwise
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unsubscribe
public void unsubscribe()
Description copied from interface:Subscription
Stops the receipt of notifications on theSubscriber
that was registered when this Subscription was received.This allows unregistering an
Subscriber
before it has finished receiving all events (i.e. before onCompleted is called).- Specified by:
unsubscribe
in interfaceSubscription
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tryUnsubscribe
private boolean tryUnsubscribe()
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doUnsubscribe
private void doUnsubscribe()
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request
public void request(long n)
Description copied from interface:Producer
Request a certain maximum number of items from this Producer. This is a way of requesting backpressure. To disable backpressure, passLong.MAX_VALUE
to this method.Requests are additive but if a sequence of requests totals more than
Long.MAX_VALUE
thenLong.MAX_VALUE
requests will be actioned and the extras may be ignored. Arriving atLong.MAX_VALUE
by addition of requests cannot be assumed to disable backpressure. For example, the code below may result inLong.MAX_VALUE
requests being actioned only.request(100); request(Long.MAX_VALUE-1);
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fastpath
private void fastpath()
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handleThrownError
private void handleThrownError(Subscriber<? super T> a, java.lang.Throwable ex)
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slowPath
private void slowPath(long n)
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nextIteration
private void nextIteration(SyncOnSubscribe<S,T> parent)
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onCompleted
public void onCompleted()
Description copied from interface:Observer
Notifies the Observer that theObservable
has finished sending push-based notifications.The
Observable
will not call this method if it callsObserver.onError(java.lang.Throwable)
.- Specified by:
onCompleted
in interfaceObserver<S>
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onError
public void onError(java.lang.Throwable e)
Description copied from interface:Observer
Notifies the Observer that theObservable
has experienced an error condition.If the
Observable
calls this method, it will not thereafter callObserver.onNext(T)
orObserver.onCompleted()
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onNext
public void onNext(T value)
Description copied from interface:Observer
Provides the Observer with a new item to observe.The
Observable
may call this method 0 or more times.The
Observable
will not call this method again after it calls eitherObserver.onCompleted()
orObserver.onError(java.lang.Throwable)
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