Package com.google.common.util.concurrent

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

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,V2,V3,V4>

public static interface ClosingFuture.Combiner4.ClosingFunction4<V1,V2,V3,V4,U>

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

@NullableDecl
U apply(ClosingFuture.DeferredCloser closer,
        @NullableDecl
        V1 value1,
        @NullableDecl
        V2 value2,
        @NullableDecl
        V3 value3,
        @NullableDecl
        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