Interface ClosingFuture.Combiner4.ClosingFunction4<V1 extends ,​V2 extends ,​V3 extends ,​V4 extends ,​U extends >

  • Type Parameters:
    V1 - the type returned by the first future
    V2 - the type returned by the second future
    V3 - the type returned by the third future
    V4 - the type returned by the fourth future
    U - the type returned by the function
    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  ,​V2 extends  ,​V3 extends  ,​V4 extends  ,​U extends  >
    A function that returns a value when applied to the values of the four futures passed to ClosingFuture.whenAllSucceed(ClosingFuture, ClosingFuture, ClosingFuture, ClosingFuture).
    • Method Detail

      • apply

        U apply​(ClosingFuture.DeferredCloser closer,
                V1 value1,
                V2 value2,
                V3 value3,
                V4 value4)
         throws 
        Applies this function to four inputs, 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.

        Throws: