ClosingFuture.Combiner4.ClosingFunction4 (Guava: Google Core Libraries for Java HEAD-jre-SNAPSHOT API)

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 java.lang.Object,V2 extends @Nullable java.lang.Object,V3 extends @Nullable java.lang.Object,V4 extends @Nullable java.lang.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 java.lang.Object,V2 extends @Nullable java.lang.Object,V3 extends @Nullable java.lang.Object,V4 extends @Nullable java.lang.Object,U extends @Nullable java.lang.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

All Methods Instance Methods Abstract Methods
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 java.lang.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:
    
    java.lang.Exception