- Type Parameters:
V1- the type returned by the first future
V2- the type returned by the second future
U- the type returned by the function
public static interface ClosingFuture.Combiner2.ClosingFunction2<V1 extends @Nullable Object,V2 extends @Nullable Object,U extends @Nullable Object>A function that returns a value when applied to the values of the two futures passed to
applyApplies this function to two inputs, or throws an exception if unable to do so.
Any objects that are passed to
closer.eventuallyClose()will be closed when the
ClosingFuturepipeline is done (but not before this method completes), even if this method throws or the pipeline is cancelled.