Interface ClosingFuture.Combiner.CombiningCallable<V extends @Nullable java.lang.Object>

  • Type Parameters:
    V - the type of the result
    Enclosing class:
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

    public static interface ClosingFuture.Combiner.CombiningCallable<V extends @Nullable java.lang.Object>
    An operation that returns a result and may throw an exception.
    • Method Detail

      • call

        V call​(ClosingFuture.DeferredCloser closer,
               ClosingFuture.Peeker peeker)
        throws java.lang.Exception
        Computes a result, or throws an exception if unable to do so.

        Any objects that are passed to closer.eventuallyClose() will be closed when the ClosingFuture pipeline is done (but not before this method completes), even if this method throws or the pipeline is cancelled.

        peeker - used to get the value of any of the input futures