Class OperatorScan.InitialProducer<R>
- java.lang.Object
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- rx.internal.operators.OperatorScan.InitialProducer<R>
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Field Summary
Fields Modifier and Type Field Description (package private) Subscriber<? super R>
child
(package private) boolean
done
(package private) boolean
emitting
(package private) java.lang.Throwable
error
(package private) boolean
missed
Missed a terminal event.(package private) long
missedRequested
Missed a request.(package private) Producer
producer
The current producer.(package private) java.util.Queue<java.lang.Object>
queue
(package private) java.util.concurrent.atomic.AtomicLong
requested
The current requested amount.
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Constructor Summary
Constructors Constructor Description InitialProducer(R initialValue, Subscriber<? super R> child)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description (package private) boolean
checkTerminated(boolean d, boolean empty, Subscriber<? super R> child)
(package private) void
emit()
(package private) void
emitLoop()
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(R t)
Provides the Observer with a new item to observe.void
request(long n)
Request a certain maximum number of items from this Producer.void
setProducer(Producer p)
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Field Detail
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child
final Subscriber<? super R> child
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queue
final java.util.Queue<java.lang.Object> queue
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emitting
boolean emitting
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missed
boolean missed
Missed a terminal event.
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missedRequested
long missedRequested
Missed a request.
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requested
final java.util.concurrent.atomic.AtomicLong requested
The current requested amount.
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producer
volatile Producer producer
The current producer.
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done
volatile boolean done
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error
java.lang.Throwable error
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Constructor Detail
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InitialProducer
public InitialProducer(R initialValue, Subscriber<? super R> child)
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Method Detail
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onNext
public void onNext(R t)
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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checkTerminated
boolean checkTerminated(boolean d, boolean empty, Subscriber<? super R> child)
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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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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<R>
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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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setProducer
public void setProducer(Producer p)
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emit
void emit()
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emitLoop
void emitLoop()
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