Interface ApiAsyncFunction<I,O> (2.48.0)

  public 
  
 interface 
 ApiAsyncFunction<I 
 , 
 O 
> 

Transforms a value, possibly asynchronously.

It is similar to Guava's AsyncFunction , redeclared so that Guava can be shaded.

Type Parameters

Name
Description
I
O

Methods

apply(I input)

  public 
  
 abstract 
  
 ApiFuture<O> 
  
 apply 
 ( 
 I 
  
 input 
 ) 
 

Returns an output Future to use in place of the given input. The output Future need not be done, making AsyncFunction suitable for asynchronous derivations.

Throwing an exception from this method is equivalent to returning a failing Future.

Parameter
Name
Description
input
I
Returns
Type
Description
ApiFuture < O >
Exceptions
Type
Description
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