Package com.google.common.util.concurrent

Interface ClosingFuture.Combiner4.ClosingFunction4<V1 extends @Nullable Object,V2 extends @Nullable Object,V3 extends @Nullable Object,V4 extends @Nullable Object,U extends @Nullable Object>

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:

ClosingFuture.Combiner4<V1 extends @Nullable Object,V2 extends @Nullable Object,V3 extends @Nullable Object,V4 extends @Nullable Object>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface ClosingFuture.Combiner4.ClosingFunction4<V1 extends @Nullable Object,V2 extends @Nullable Object,V3 extends @Nullable Object,V4 extends @Nullable Object,U extends @Nullable Object>

A function that returns a value when applied to the values of the four futures passed to ClosingFuture.whenAllSucceed(ClosingFuture, ClosingFuture, ClosingFuture, ClosingFuture).

Method Summary

Modifier and Type	Method	Description
U	apply(ClosingFuture.DeferredCloser closer, V1 value1, V2 value2, V3 value3, V4 value4)	Applies this function to four inputs, or throws an exception if unable to do so.

Method Detail

apply

U apply(ClosingFuture.DeferredCloser closer,
        V1 value1,
        V2 value2,
        V3 value3,
        V4 value4)
 throws Exception

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:

Exception