Package rx.internal.util
Class ScalarSynchronousObservable.WeakSingleProducer<T>
- java.lang.Object
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- rx.internal.util.ScalarSynchronousObservable.WeakSingleProducer<T>
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- Type Parameters:
T
- the value type
- All Implemented Interfaces:
Producer
- Enclosing class:
- ScalarSynchronousObservable<T>
static final class ScalarSynchronousObservable.WeakSingleProducer<T> extends java.lang.Object implements Producer
This is the weak version of SingleProducer that uses plain fields to avoid reentrancy and as such is not threadsafe for concurrent request() calls.
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Constructor Summary
Constructors Constructor Description WeakSingleProducer(Subscriber<? super T> actual, T value)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
request(long n)
Request a certain maximum number of items from this Producer.
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Field Detail
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actual
final Subscriber<? super T> actual
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value
final T value
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once
boolean once
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Constructor Detail
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WeakSingleProducer
public WeakSingleProducer(Subscriber<? super T> actual, T value)
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Method Detail
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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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