Class ScalarSynchronousObservable.WeakSingleProducer<T>

java.lang.Object
rx.internal.util.ScalarSynchronousObservable.WeakSingleProducer<T>
Type Parameters:
T - the value type
All Implemented Interfaces:
Producer
Enclosing class:
ScalarSynchronousObservable<T>

static final class ScalarSynchronousObservable.WeakSingleProducer<T> extends 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.
  • Field Details

    • actual

      final Subscriber<? super T> actual
    • value

      final T value
    • once

      boolean once
  • Constructor Details

    • WeakSingleProducer

      public WeakSingleProducer(Subscriber<? super T> actual, T value)
  • Method Details

    • 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, pass Long.MAX_VALUE to this method.

      Requests are additive but if a sequence of requests totals more than Long.MAX_VALUE then Long.MAX_VALUE requests will be actioned and the extras may be ignored. Arriving at Long.MAX_VALUE by addition of requests cannot be assumed to disable backpressure. For example, the code below may result in Long.MAX_VALUE requests being actioned only.

       request(100);
       request(Long.MAX_VALUE-1);
       
      Specified by:
      request in interface Producer
      Parameters:
      n - the maximum number of items you want this Producer to produce, or Long.MAX_VALUE if you want the Producer to produce items at its own pace